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Diffstat (limited to 'test/gtest_unittest.cc')
| -rw-r--r-- | test/gtest_unittest.cc | 4299 |
1 files changed, 4299 insertions, 0 deletions
diff --git a/test/gtest_unittest.cc b/test/gtest_unittest.cc new file mode 100644 index 00000000..9a64a13e --- /dev/null +++ b/test/gtest_unittest.cc @@ -0,0 +1,4299 @@ +// Copyright 2005, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +// +// Author: wan@google.com (Zhanyong Wan) +// +// Tests for Google Test itself. This verifies that the basic constructs of +// Google Test work. + +#include <gtest/gtest.h> +#include <gtest/gtest-spi.h> + +// Indicates that this translation unit is part of Google Test's +// implementation. It must come before gtest-internal-inl.h is +// included, or there will be a compiler error. This trick is to +// prevent a user from accidentally including gtest-internal-inl.h in +// his code. +#define GTEST_IMPLEMENTATION +#include "src/gtest-internal-inl.h" +#undef GTEST_IMPLEMENTATION + +#include <stdlib.h> + +#ifdef GTEST_OS_LINUX +#include <string.h> +#include <signal.h> +#include <sys/stat.h> +#include <pthread.h> +#include <unistd.h> +#include <string> +#include <vector> +#endif // GTEST_OS_LINUX + +namespace testing { +namespace internal { +bool ParseInt32Flag(const char* str, const char* flag, Int32* value); +} // namespace internal +} // namespace testing + +using testing::internal::ParseInt32Flag; + +namespace testing { + +GTEST_DECLARE_string(output); +GTEST_DECLARE_string(color); + +namespace internal { +bool ShouldUseColor(bool stdout_is_tty); +} // namespace internal +} // namespace testing + +using testing::GTEST_FLAG(color); +using testing::ScopedFakeTestPartResultReporter; +using testing::TestPartResult; +using testing::TestPartResultArray; +using testing::UnitTest; +using testing::internal::AppendUserMessage; +using testing::internal::EqFailure; +using testing::internal::Int32; +using testing::internal::List; +using testing::internal::OsStackTraceGetter; +using testing::internal::OsStackTraceGetterInterface; +using testing::internal::ShouldUseColor; +using testing::internal::StreamableToString; +using testing::internal::String; +using testing::internal::TestProperty; +using testing::internal::TestResult; +using testing::internal::ToUtf8String; +using testing::internal::UnitTestImpl; +using testing::internal::UnitTestOptions; + +// This line tests that we can define tests in an unnamed namespace. +namespace { + +#ifndef __SYMBIAN32__ +// NULL testing does not work with Symbian compilers. + +// Tests that GTEST_IS_NULL_LITERAL(x) is true when x is a null +// pointer literal. +TEST(NullLiteralTest, IsTrueForNullLiterals) { + EXPECT_TRUE(GTEST_IS_NULL_LITERAL(NULL)); + EXPECT_TRUE(GTEST_IS_NULL_LITERAL(0)); + EXPECT_TRUE(GTEST_IS_NULL_LITERAL(1 - 1)); + EXPECT_TRUE(GTEST_IS_NULL_LITERAL(0U)); + EXPECT_TRUE(GTEST_IS_NULL_LITERAL(0L)); + EXPECT_TRUE(GTEST_IS_NULL_LITERAL(false)); + EXPECT_TRUE(GTEST_IS_NULL_LITERAL(true && false)); +} + +// Tests that GTEST_IS_NULL_LITERAL(x) is false when x is not a null +// pointer literal. +TEST(NullLiteralTest, IsFalseForNonNullLiterals) { + EXPECT_FALSE(GTEST_IS_NULL_LITERAL(1)); + EXPECT_FALSE(GTEST_IS_NULL_LITERAL(0.0)); + EXPECT_FALSE(GTEST_IS_NULL_LITERAL('a')); + EXPECT_FALSE(GTEST_IS_NULL_LITERAL(static_cast<void*>(NULL))); +} + +#endif // __SYMBIAN32__ +// Tests ToUtf8String(). + +// Tests that the NUL character L'\0' is encoded correctly. +TEST(ToUtf8StringTest, CanEncodeNul) { + EXPECT_STREQ("", ToUtf8String(L'\0').c_str()); +} + +// Tests that ASCII characters are encoded correctly. +TEST(ToUtf8StringTest, CanEncodeAscii) { + EXPECT_STREQ("a", ToUtf8String(L'a').c_str()); + EXPECT_STREQ("Z", ToUtf8String(L'Z').c_str()); + EXPECT_STREQ("&", ToUtf8String(L'&').c_str()); + EXPECT_STREQ("\x7F", ToUtf8String(L'\x7F').c_str()); +} + +// Tests that Unicode code-points that have 8 to 11 bits are encoded +// as 110xxxxx 10xxxxxx. +TEST(ToUtf8StringTest, CanEncode8To11Bits) { + // 000 1101 0011 => 110-00011 10-010011 + EXPECT_STREQ("\xC3\x93", ToUtf8String(L'\xD3').c_str()); + + // 101 0111 0110 => 110-10101 10-110110 + EXPECT_STREQ("\xD5\xB6", ToUtf8String(L'\x576').c_str()); +} + +// Tests that Unicode code-points that have 12 to 16 bits are encoded +// as 1110xxxx 10xxxxxx 10xxxxxx. +TEST(ToUtf8StringTest, CanEncode12To16Bits) { + // 0000 1000 1101 0011 => 1110-0000 10-100011 10-010011 + EXPECT_STREQ("\xE0\xA3\x93", ToUtf8String(L'\x8D3').c_str()); + + // 1100 0111 0100 1101 => 1110-1100 10-011101 10-001101 + EXPECT_STREQ("\xEC\x9D\x8D", ToUtf8String(L'\xC74D').c_str()); +} + +#if !defined(GTEST_OS_WINDOWS) && !defined(__SYMBIAN32__) + +// Tests in this group require a wchar_t to hold > 16 bits, and thus +// are skipped on Windows and Symbian, where a wchar_t is 16-bit wide. + +// Tests that Unicode code-points that have 17 to 21 bits are encoded +// as 11110xxx 10xxxxxx 10xxxxxx 10xxxxxx. +TEST(ToUtf8StringTest, CanEncode17To21Bits) { + // 0 0001 0000 1000 1101 0011 => 11110-000 10-010000 10-100011 10-010011 + EXPECT_STREQ("\xF0\x90\xA3\x93", ToUtf8String(L'\x108D3').c_str()); + + // 1 0111 1000 0110 0011 0100 => 11110-101 10-111000 10-011000 10-110100 + EXPECT_STREQ("\xF5\xB8\x98\xB4", ToUtf8String(L'\x178634').c_str()); +} + +// Tests that encoding an invalid code-point generates the expected result. +TEST(ToUtf8StringTest, CanEncodeInvalidCodePoint) { + EXPECT_STREQ("(Invalid Unicode 0x1234ABCD)", + ToUtf8String(L'\x1234ABCD').c_str()); +} + +#endif // Windows or Symbian + +// Tests the List template class. + +// Tests List::PushFront(). +TEST(ListTest, PushFront) { + List<int> a; + ASSERT_EQ(0u, a.size()); + + // Calls PushFront() on an empty list. + a.PushFront(1); + ASSERT_EQ(1u, a.size()); + EXPECT_EQ(1, a.Head()->element()); + ASSERT_EQ(a.Head(), a.Last()); + + // Calls PushFront() on a singleton list. + a.PushFront(2); + ASSERT_EQ(2u, a.size()); + EXPECT_EQ(2, a.Head()->element()); + EXPECT_EQ(1, a.Last()->element()); + + // Calls PushFront() on a list with more than one elements. + a.PushFront(3); + ASSERT_EQ(3u, a.size()); + EXPECT_EQ(3, a.Head()->element()); + EXPECT_EQ(2, a.Head()->next()->element()); + EXPECT_EQ(1, a.Last()->element()); +} + +// Tests List::PopFront(). +TEST(ListTest, PopFront) { + List<int> a; + + // Popping on an empty list should fail. + EXPECT_FALSE(a.PopFront(NULL)); + + // Popping again on an empty list should fail, and the result element + // shouldn't be overwritten. + int element = 1; + EXPECT_FALSE(a.PopFront(&element)); + EXPECT_EQ(1, element); + + a.PushFront(2); + a.PushFront(3); + + // PopFront() should pop the element in the front of the list. + EXPECT_TRUE(a.PopFront(&element)); + EXPECT_EQ(3, element); + + // After popping the last element, the list should be empty. + EXPECT_TRUE(a.PopFront(NULL)); + EXPECT_EQ(0u, a.size()); +} + +// Tests inserting at the beginning using List::InsertAfter(). +TEST(ListTest, InsertAfterAtBeginning) { + List<int> a; + ASSERT_EQ(0u, a.size()); + + // Inserts into an empty list. + a.InsertAfter(NULL, 1); + ASSERT_EQ(1u, a.size()); + EXPECT_EQ(1, a.Head()->element()); + ASSERT_EQ(a.Head(), a.Last()); + + // Inserts at the beginning of a singleton list. + a.InsertAfter(NULL, 2); + ASSERT_EQ(2u, a.size()); + EXPECT_EQ(2, a.Head()->element()); + EXPECT_EQ(1, a.Last()->element()); + + // Inserts at the beginning of a list with more than one elements. + a.InsertAfter(NULL, 3); + ASSERT_EQ(3u, a.size()); + EXPECT_EQ(3, a.Head()->element()); + EXPECT_EQ(2, a.Head()->next()->element()); + EXPECT_EQ(1, a.Last()->element()); +} + +// Tests inserting at a location other than the beginning using +// List::InsertAfter(). +TEST(ListTest, InsertAfterNotAtBeginning) { + // Prepares a singleton list. + List<int> a; + a.PushBack(1); + + // Inserts at the end of a singleton list. + a.InsertAfter(a.Last(), 2); + ASSERT_EQ(2u, a.size()); + EXPECT_EQ(1, a.Head()->element()); + EXPECT_EQ(2, a.Last()->element()); + + // Inserts at the end of a list with more than one elements. + a.InsertAfter(a.Last(), 3); + ASSERT_EQ(3u, a.size()); + EXPECT_EQ(1, a.Head()->element()); + EXPECT_EQ(2, a.Head()->next()->element()); + EXPECT_EQ(3, a.Last()->element()); + + // Inserts in the middle of a list. + a.InsertAfter(a.Head(), 4); + ASSERT_EQ(4u, a.size()); + EXPECT_EQ(1, a.Head()->element()); + EXPECT_EQ(4, a.Head()->next()->element()); + EXPECT_EQ(2, a.Head()->next()->next()->element()); + EXPECT_EQ(3, a.Last()->element()); +} + + +// Tests the String class. + +// Tests String's constructors. +TEST(StringTest, Constructors) { + // Default ctor. + String s1; + EXPECT_EQ(NULL, s1.c_str()); + + // Implicitly constructs from a C-string. + String s2 = "Hi"; + EXPECT_STREQ("Hi", s2.c_str()); + + // Constructs from a C-string and a length. + String s3("hello", 3); + EXPECT_STREQ("hel", s3.c_str()); + + // Copy ctor. + String s4 = s3; + EXPECT_STREQ("hel", s4.c_str()); +} + +// Tests String::ShowCString(). +TEST(StringTest, ShowCString) { + EXPECT_STREQ("(null)", String::ShowCString(NULL)); + EXPECT_STREQ("", String::ShowCString("")); + EXPECT_STREQ("foo", String::ShowCString("foo")); +} + +// Tests String::ShowCStringQuoted(). +TEST(StringTest, ShowCStringQuoted) { + EXPECT_STREQ("(null)", + String::ShowCStringQuoted(NULL).c_str()); + EXPECT_STREQ("\"\"", + String::ShowCStringQuoted("").c_str()); + EXPECT_STREQ("\"foo\"", + String::ShowCStringQuoted("foo").c_str()); +} + +// Tests String::operator==(). +TEST(StringTest, Equals) { + const String null(NULL); + EXPECT_TRUE(null == NULL); // NOLINT + EXPECT_FALSE(null == ""); // NOLINT + EXPECT_FALSE(null == "bar"); // NOLINT + + const String empty(""); + EXPECT_FALSE(empty == NULL); // NOLINT + EXPECT_TRUE(empty == ""); // NOLINT + EXPECT_FALSE(empty == "bar"); // NOLINT + + const String foo("foo"); + EXPECT_FALSE(foo == NULL); // NOLINT + EXPECT_FALSE(foo == ""); // NOLINT + EXPECT_FALSE(foo == "bar"); // NOLINT + EXPECT_TRUE(foo == "foo"); // NOLINT +} + +// Tests String::operator!=(). +TEST(StringTest, NotEquals) { + const String null(NULL); + EXPECT_FALSE(null != NULL); // NOLINT + EXPECT_TRUE(null != ""); // NOLINT + EXPECT_TRUE(null != "bar"); // NOLINT + + const String empty(""); + EXPECT_TRUE(empty != NULL); // NOLINT + EXPECT_FALSE(empty != ""); // NOLINT + EXPECT_TRUE(empty != "bar"); // NOLINT + + const String foo("foo"); + EXPECT_TRUE(foo != NULL); // NOLINT + EXPECT_TRUE(foo != ""); // NOLINT + EXPECT_TRUE(foo != "bar"); // NOLINT + EXPECT_FALSE(foo != "foo"); // NOLINT +} + +// Tests String::EndsWith(). +TEST(StringTest, EndsWith) { + EXPECT_TRUE(String("foobar").EndsWith("bar")); + EXPECT_TRUE(String("foobar").EndsWith("")); + EXPECT_TRUE(String("").EndsWith("")); + + EXPECT_FALSE(String("foobar").EndsWith("foo")); + EXPECT_FALSE(String("").EndsWith("foo")); +} + +// Tests String::EndsWithCaseInsensitive(). +TEST(StringTest, EndsWithCaseInsensitive) { + EXPECT_TRUE(String("foobar").EndsWithCaseInsensitive("BAR")); + EXPECT_TRUE(String("foobaR").EndsWithCaseInsensitive("bar")); + EXPECT_TRUE(String("foobar").EndsWithCaseInsensitive("")); + EXPECT_TRUE(String("").EndsWithCaseInsensitive("")); + + EXPECT_FALSE(String("Foobar").EndsWithCaseInsensitive("foo")); + EXPECT_FALSE(String("foobar").EndsWithCaseInsensitive("Foo")); + EXPECT_FALSE(String("").EndsWithCaseInsensitive("foo")); +} + +// Tests that NULL can be assigned to a String. +TEST(StringTest, CanBeAssignedNULL) { + const String src(NULL); + String dest; + + dest = src; + EXPECT_STREQ(NULL, dest.c_str()); +} + +// Tests that the empty string "" can be assigned to a String. +TEST(StringTest, CanBeAssignedEmpty) { + const String src(""); + String dest; + + dest = src; + EXPECT_STREQ("", dest.c_str()); +} + +// Tests that a non-empty string can be assigned to a String. +TEST(StringTest, CanBeAssignedNonEmpty) { + const String src("hello"); + String dest; + + dest = src; + EXPECT_STREQ("hello", dest.c_str()); +} + +// Tests that a String can be assigned to itself. +TEST(StringTest, CanBeAssignedSelf) { + String dest("hello"); + + dest = dest; + EXPECT_STREQ("hello", dest.c_str()); +} + +#ifdef GTEST_OS_WINDOWS + +// Tests String::ShowWideCString(). +TEST(StringTest, ShowWideCString) { + EXPECT_STREQ("(null)", + String::ShowWideCString(NULL).c_str()); + EXPECT_STREQ("", String::ShowWideCString(L"").c_str()); + EXPECT_STREQ("foo", String::ShowWideCString(L"foo").c_str()); +} + +// Tests String::ShowWideCStringQuoted(). +TEST(StringTest, ShowWideCStringQuoted) { + EXPECT_STREQ("(null)", + String::ShowWideCStringQuoted(NULL).c_str()); + EXPECT_STREQ("L\"\"", + String::ShowWideCStringQuoted(L"").c_str()); + EXPECT_STREQ("L\"foo\"", + String::ShowWideCStringQuoted(L"foo").c_str()); +} + +#endif // GTEST_OS_WINDOWS + +// Tests TestProperty construction. +TEST(TestPropertyTest, StringValue) { + TestProperty property("key", "1"); + EXPECT_STREQ("key", property.key()); + EXPECT_STREQ("1", property.value()); +} + +// Tests TestProperty replacing a value. +TEST(TestPropertyTest, ReplaceStringValue) { + TestProperty property("key", "1"); + EXPECT_STREQ("1", property.value()); + property.SetValue("2"); + EXPECT_STREQ("2", property.value()); +} + +// Tests the TestPartResult class. + +// The test fixture for testing TestPartResult. +class TestPartResultTest : public testing::Test { + protected: + TestPartResultTest() + : r1_(testing::TPRT_SUCCESS, + "foo/bar.cc", + 10, + "Success!"), + r2_(testing::TPRT_NONFATAL_FAILURE, + "foo/bar.cc", + -1, + "Failure!"), + r3_(testing::TPRT_FATAL_FAILURE, + NULL, + -1, + "Failure!") {} + + TestPartResult r1_, r2_, r3_; +}; + +// Tests TestPartResult::type() +TEST_F(TestPartResultTest, type) { + EXPECT_EQ(testing::TPRT_SUCCESS, r1_.type()); + EXPECT_EQ(testing::TPRT_NONFATAL_FAILURE, r2_.type()); + EXPECT_EQ(testing::TPRT_FATAL_FAILURE, r3_.type()); +} + +// Tests TestPartResult::file_name() +TEST_F(TestPartResultTest, file_name) { + EXPECT_STREQ("foo/bar.cc", r1_.file_name()); + EXPECT_STREQ(NULL, r3_.file_name()); +} + +// Tests TestPartResult::line_number() +TEST_F(TestPartResultTest, line_number) { + EXPECT_EQ(10, r1_.line_number()); + EXPECT_EQ(-1, r2_.line_number()); +} + +// Tests TestPartResult::message() +TEST_F(TestPartResultTest, message) { + EXPECT_STREQ("Success!", r1_.message()); +} + +// Tests TestPartResult::passed() +TEST_F(TestPartResultTest, Passed) { + EXPECT_TRUE(r1_.passed()); + EXPECT_FALSE(r2_.passed()); + EXPECT_FALSE(r3_.passed()); +} + +// Tests TestPartResult::failed() +TEST_F(TestPartResultTest, Failed) { + EXPECT_FALSE(r1_.failed()); + EXPECT_TRUE(r2_.failed()); + EXPECT_TRUE(r3_.failed()); +} + +// Tests TestPartResult::fatally_failed() +TEST_F(TestPartResultTest, FatallyFailed) { + EXPECT_FALSE(r1_.fatally_failed()); + EXPECT_FALSE(r2_.fatally_failed()); + EXPECT_TRUE(r3_.fatally_failed()); +} + +// Tests TestPartResult::nonfatally_failed() +TEST_F(TestPartResultTest, NonfatallyFailed) { + EXPECT_FALSE(r1_.nonfatally_failed()); + EXPECT_TRUE(r2_.nonfatally_failed()); + EXPECT_FALSE(r3_.nonfatally_failed()); +} + +// Tests the TestPartResultArray class. + +class TestPartResultArrayTest : public testing::Test { + protected: + TestPartResultArrayTest() + : r1_(testing::TPRT_NONFATAL_FAILURE, + "foo/bar.cc", + -1, + "Failure 1"), + r2_(testing::TPRT_FATAL_FAILURE, + "foo/bar.cc", + -1, + "Failure 2") {} + + const TestPartResult r1_, r2_; +}; + +// Tests that TestPartResultArray initially has size 0. +TEST_F(TestPartResultArrayTest, InitialSizeIsZero) { + TestPartResultArray results; + EXPECT_EQ(0, results.size()); +} + +// Tests that TestPartResultArray contains the given TestPartResult +// after one Append() operation. +TEST_F(TestPartResultArrayTest, ContainsGivenResultAfterAppend) { + TestPartResultArray results; + results.Append(r1_); + EXPECT_EQ(1, results.size()); + EXPECT_STREQ("Failure 1", results.GetTestPartResult(0).message()); +} + +// Tests that TestPartResultArray contains the given TestPartResults +// after two Append() operations. +TEST_F(TestPartResultArrayTest, ContainsGivenResultsAfterTwoAppends) { + TestPartResultArray results; + results.Append(r1_); + results.Append(r2_); + EXPECT_EQ(2, results.size()); + EXPECT_STREQ("Failure 1", results.GetTestPartResult(0).message()); + EXPECT_STREQ("Failure 2", results.GetTestPartResult(1).message()); +} + +void ScopedFakeTestPartResultReporterTestHelper() { + FAIL() << "Expected fatal failure."; +} + +// Tests that ScopedFakeTestPartResultReporter intercepts test +// failures. +TEST(ScopedFakeTestPartResultReporterTest, InterceptsTestFailures) { + TestPartResultArray results; + { + ScopedFakeTestPartResultReporter reporter(&results); + ADD_FAILURE() << "Expected non-fatal failure."; + ScopedFakeTestPartResultReporterTestHelper(); + } + + EXPECT_EQ(2, results.size()); + EXPECT_TRUE(results.GetTestPartResult(0).nonfatally_failed()); + EXPECT_TRUE(results.GetTestPartResult(1).fatally_failed()); +} + +// Tests the TestResult class + +// The test fixture for testing TestResult. +class TestResultTest : public testing::Test { + protected: + typedef List<TestPartResult> TPRList; + + // We make use of 2 TestPartResult objects, + TestPartResult * pr1, * pr2; + + // ... and 3 TestResult objects. + TestResult * r0, * r1, * r2; + + virtual void SetUp() { + // pr1 is for success. + pr1 = new TestPartResult(testing::TPRT_SUCCESS, + "foo/bar.cc", + 10, + "Success!"); + + // pr2 is for fatal failure. + pr2 = new TestPartResult(testing::TPRT_FATAL_FAILURE, + "foo/bar.cc", + -1, // This line number means "unknown" + "Failure!"); + + // Creates the TestResult objects. + r0 = new TestResult(); + r1 = new TestResult(); + r2 = new TestResult(); + + // In order to test TestResult, we need to modify its internal + // state, in particular the TestPartResult list it holds. + // test_part_results() returns a const reference to this list. + // We cast it to a non-const object s.t. it can be modified (yes, + // this is a hack). + TPRList * list1, * list2; + list1 = const_cast<List<TestPartResult> *>( + & r1->test_part_results()); + list2 = const_cast<List<TestPartResult> *>( + & r2->test_part_results()); + + // r0 is an empty TestResult. + + // r1 contains a single SUCCESS TestPartResult. + list1->PushBack(*pr1); + + // r2 contains a SUCCESS, and a FAILURE. + list2->PushBack(*pr1); + list2->PushBack(*pr2); + } + + virtual void TearDown() { + delete pr1; + delete pr2; + + delete r0; + delete r1; + delete r2; + } +}; + +// Tests TestResult::test_part_results() +TEST_F(TestResultTest, test_part_results) { + ASSERT_EQ(0u, r0->test_part_results().size()); + ASSERT_EQ(1u, r1->test_part_results().size()); + ASSERT_EQ(2u, r2->test_part_results().size()); +} + +// Tests TestResult::successful_part_count() +TEST_F(TestResultTest, successful_part_count) { + ASSERT_EQ(0u, r0->successful_part_count()); + ASSERT_EQ(1u, r1->successful_part_count()); + ASSERT_EQ(1u, r2->successful_part_count()); +} + +// Tests TestResult::failed_part_count() +TEST_F(TestResultTest, failed_part_count) { + ASSERT_EQ(0u, r0->failed_part_count()); + ASSERT_EQ(0u, r1->failed_part_count()); + ASSERT_EQ(1u, r2->failed_part_count()); +} + +// Tests TestResult::total_part_count() +TEST_F(TestResultTest, total_part_count) { + ASSERT_EQ(0u, r0->total_part_count()); + ASSERT_EQ(1u, r1->total_part_count()); + ASSERT_EQ(2u, r2->total_part_count()); +} + +// Tests TestResult::Passed() +TEST_F(TestResultTest, Passed) { + ASSERT_TRUE(r0->Passed()); + ASSERT_TRUE(r1->Passed()); + ASSERT_FALSE(r2->Passed()); +} + +// Tests TestResult::Failed() +TEST_F(TestResultTest, Failed) { + ASSERT_FALSE(r0->Failed()); + ASSERT_FALSE(r1->Failed()); + ASSERT_TRUE(r2->Failed()); +} + +// Tests TestResult::test_properties() has no properties when none are added. +TEST(TestResultPropertyTest, NoPropertiesFoundWhenNoneAreAdded) { + TestResult test_result; + ASSERT_EQ(0u, test_result.test_properties().size()); +} + +// Tests TestResult::test_properties() has the expected property when added. +TEST(TestResultPropertyTest, OnePropertyFoundWhenAdded) { + TestResult test_result; + TestProperty property("key_1", "1"); + test_result.RecordProperty(property); + const List<TestProperty>& properties = test_result.test_properties(); + ASSERT_EQ(1u, properties.size()); + TestProperty actual_property = properties.Head()->element(); + EXPECT_STREQ("key_1", actual_property.key()); + EXPECT_STREQ("1", actual_property.value()); +} + +// Tests TestResult::test_properties() has multiple properties when added. +TEST(TestResultPropertyTest, MultiplePropertiesFoundWhenAdded) { + TestResult test_result; + TestProperty property_1("key_1", "1"); + TestProperty property_2("key_2", "2"); + test_result.RecordProperty(property_1); + test_result.RecordProperty(property_2); + const List<TestProperty>& properties = test_result.test_properties(); + ASSERT_EQ(2u, properties.size()); + TestProperty actual_property_1 = properties.Head()->element(); + EXPECT_STREQ("key_1", actual_property_1.key()); + EXPECT_STREQ("1", actual_property_1.value()); + + TestProperty actual_property_2 = properties.Last()->element(); + EXPECT_STREQ("key_2", actual_property_2.key()); + EXPECT_STREQ("2", actual_property_2.value()); +} + +// Tests TestResult::test_properties() overrides values for duplicate keys. +TEST(TestResultPropertyTest, OverridesValuesForDuplicateKeys) { + TestResult test_result; + TestProperty property_1_1("key_1", "1"); + TestProperty property_2_1("key_2", "2"); + TestProperty property_1_2("key_1", "12"); + TestProperty property_2_2("key_2", "22"); + test_result.RecordProperty(property_1_1); + test_result.RecordProperty(property_2_1); + test_result.RecordProperty(property_1_2); + test_result.RecordProperty(property_2_2); + + const List<TestProperty>& properties = test_result.test_properties(); + ASSERT_EQ(2u, properties.size()); + TestProperty actual_property_1 = properties.Head()->element(); + EXPECT_STREQ("key_1", actual_property_1.key()); + EXPECT_STREQ("12", actual_property_1.value()); + + TestProperty actual_property_2 = properties.Last()->element(); + EXPECT_STREQ("key_2", actual_property_2.key()); + EXPECT_STREQ("22", actual_property_2.value()); +} + +// When a property using a reserved key is supplied to this function, it tests +// that a non-fatal failure is added, a fatal failure is not added, and that the +// property is not recorded. +void ExpectNonFatalFailureRecordingPropertyWithReservedKey(const char* key) { + TestResult test_result; + TestProperty property("name", "1"); + EXPECT_NONFATAL_FAILURE(test_result.RecordProperty(property), "Reserved key"); + ASSERT_TRUE(test_result.test_properties().IsEmpty()) << "Not recorded"; +} + +// Attempting to recording a property with the Reserved literal "name" +// should add a non-fatal failure and the property should not be recorded. +TEST(TestResultPropertyTest, AddFailureWhenUsingReservedKeyCalledName) { + ExpectNonFatalFailureRecordingPropertyWithReservedKey("name"); +} + +// Attempting to recording a property with the Reserved literal "status" +// should add a non-fatal failure and the property should not be recorded. +TEST(TestResultPropertyTest, AddFailureWhenUsingReservedKeyCalledStatus) { + ExpectNonFatalFailureRecordingPropertyWithReservedKey("status"); +} + +// Attempting to recording a property with the Reserved literal "time" +// should add a non-fatal failure and the property should not be recorded. +TEST(TestResultPropertyTest, AddFailureWhenUsingReservedKeyCalledTime) { + ExpectNonFatalFailureRecordingPropertyWithReservedKey("time"); +} + +// Attempting to recording a property with the Reserved literal "classname" +// should add a non-fatal failure and the property should not be recorded. +TEST(TestResultPropertyTest, AddFailureWhenUsingReservedKeyCalledClassname) { + ExpectNonFatalFailureRecordingPropertyWithReservedKey("classname"); +} + +// Tests that GTestFlagSaver works on Windows and Mac. + +class GTestFlagSaverTest : public testing::Test { + protected: + // Saves the Google Test flags such that we can restore them later, and + // then sets them to their default values. This will be called + // before the first test in this test case is run. + static void SetUpTestCase() { + saver_ = new testing::internal::GTestFlagSaver; + + testing::GTEST_FLAG(break_on_failure) = false; + testing::GTEST_FLAG(catch_exceptions) = false; + testing::GTEST_FLAG(color) = "auto"; + testing::GTEST_FLAG(filter) = ""; + testing::GTEST_FLAG(list_tests) = false; + testing::GTEST_FLAG(output) = ""; + testing::GTEST_FLAG(repeat) = 1; + } + + // Restores the Google Test flags that the tests have modified. This will + // be called after the last test in this test case is run. + static void TearDownTestCase() { + delete saver_; + saver_ = NULL; + } + + // Verifies that the Google Test flags have their default values, and then + // modifies each of them. + void VerifyAndModifyFlags() { + EXPECT_FALSE(testing::GTEST_FLAG(break_on_failure)); + EXPECT_FALSE(testing::GTEST_FLAG(catch_exceptions)); + EXPECT_STREQ("auto", testing::GTEST_FLAG(color).c_str()); + EXPECT_STREQ("", testing::GTEST_FLAG(filter).c_str()); + EXPECT_FALSE(testing::GTEST_FLAG(list_tests)); + EXPECT_STREQ("", testing::GTEST_FLAG(output).c_str()); + EXPECT_EQ(1, testing::GTEST_FLAG(repeat)); + + testing::GTEST_FLAG(break_on_failure) = true; + testing::GTEST_FLAG(catch_exceptions) = true; + testing::GTEST_FLAG(color) = "no"; + testing::GTEST_FLAG(filter) = "abc"; + testing::GTEST_FLAG(list_tests) = true; + testing::GTEST_FLAG(output) = "xml:foo.xml"; + testing::GTEST_FLAG(repeat) = 100; + } + private: + // For saving Google Test flags during this test case. + static testing::internal::GTestFlagSaver* saver_; +}; + +testing::internal::GTestFlagSaver* GTestFlagSaverTest::saver_ = NULL; + +// Google Test doesn't guarantee the order of tests. The following two +// tests are designed to work regardless of their order. + +// Modifies the Google Test flags in the test body. +TEST_F(GTestFlagSaverTest, ModifyGTestFlags) { + VerifyAndModifyFlags(); +} + +// Verifies that the Google Test flags in the body of the previous test were +// restored to their original values. +TEST_F(GTestFlagSaverTest, VerifyGTestFlags) { + VerifyAndModifyFlags(); +} + +// Sets an environment variable with the given name to the given +// value. If the value argument is "", unsets the environment +// variable. The caller must ensure that both arguments are not NULL. +static void SetEnv(const char* name, const char* value) { +#ifdef _WIN32_WCE + // Environment variables are not supported on Windows CE. + return; +#elif defined(GTEST_OS_WINDOWS) // If we are on Windows proper. + _putenv((testing::Message() << name << "=" << value).GetString().c_str()); +#else + if (*value == '\0') { + unsetenv(name); + } else { + setenv(name, value, 1); + } +#endif +} + +#ifndef _WIN32_WCE +// Environment variables are not supported on Windows CE. + +using ::testing::internal::Int32FromGTestEnv; + +// Tests Int32FromGTestEnv(). + +// Tests that Int32FromGTestEnv() returns the default value when the +// environment variable is not set. +TEST(Int32FromGTestEnvTest, ReturnsDefaultWhenVariableIsNotSet) { + SetEnv(GTEST_FLAG_PREFIX_UPPER "TEMP", ""); + EXPECT_EQ(10, Int32FromGTestEnv("temp", 10)); +} + +// Tests that Int32FromGTestEnv() returns the default value when the +// environment variable overflows as an Int32. +TEST(Int32FromGTestEnvTest, ReturnsDefaultWhenValueOverflows) { + printf("(expecting 2 warnings)\n"); + + SetEnv(GTEST_FLAG_PREFIX_UPPER "TEMP", "12345678987654321"); + EXPECT_EQ(20, Int32FromGTestEnv("temp", 20)); + + SetEnv(GTEST_FLAG_PREFIX_UPPER "TEMP", "-12345678987654321"); + EXPECT_EQ(30, Int32FromGTestEnv("temp", 30)); +} + +// Tests that Int32FromGTestEnv() returns the default value when the +// environment variable does not represent a valid decimal integer. +TEST(Int32FromGTestEnvTest, ReturnsDefaultWhenValueIsInvalid) { + printf("(expecting 2 warnings)\n"); + + SetEnv(GTEST_FLAG_PREFIX_UPPER "TEMP", "A1"); + EXPECT_EQ(40, Int32FromGTestEnv("temp", 40)); + + SetEnv(GTEST_FLAG_PREFIX_UPPER "TEMP", "12X"); + EXPECT_EQ(50, Int32FromGTestEnv("temp", 50)); +} + +// Tests that Int32FromGTestEnv() parses and returns the value of the +// environment variable when it represents a valid decimal integer in +// the range of an Int32. +TEST(Int32FromGTestEnvTest, ParsesAndReturnsValidValue) { + SetEnv(GTEST_FLAG_PREFIX_UPPER "TEMP", "123"); + EXPECT_EQ(123, Int32FromGTestEnv("temp", 0)); + + SetEnv(GTEST_FLAG_PREFIX_UPPER "TEMP", "-321"); + EXPECT_EQ(-321, Int32FromGTestEnv("temp", 0)); +} +#endif // !defined(_WIN32_WCE) + +// Tests ParseInt32Flag(). + +// Tests that ParseInt32Flag() returns false and doesn't change the +// output value when the flag has wrong format +TEST(ParseInt32FlagTest, ReturnsFalseForInvalidFlag) { + Int32 value = 123; + EXPECT_FALSE(ParseInt32Flag("--a=100", "b", &value)); + EXPECT_EQ(123, value); + + EXPECT_FALSE(ParseInt32Flag("a=100", "a", &value)); + EXPECT_EQ(123, value); +} + +// Tests that ParseInt32Flag() returns false and doesn't change the +// output value when the flag overflows as an Int32. +TEST(ParseInt32FlagTest, ReturnsDefaultWhenValueOverflows) { + printf("(expecting 2 warnings)\n"); + + Int32 value = 123; + EXPECT_FALSE(ParseInt32Flag("--abc=12345678987654321", "abc", &value)); + EXPECT_EQ(123, value); + + EXPECT_FALSE(ParseInt32Flag("--abc=-12345678987654321", "abc", &value)); + EXPECT_EQ(123, value); +} + +// Tests that ParseInt32Flag() returns false and doesn't change the +// output value when the flag does not represent a valid decimal +// integer. +TEST(ParseInt32FlagTest, ReturnsDefaultWhenValueIsInvalid) { + printf("(expecting 2 warnings)\n"); + + Int32 value = 123; + EXPECT_FALSE(ParseInt32Flag("--abc=A1", "abc", &value)); + EXPECT_EQ(123, value); + + EXPECT_FALSE(ParseInt32Flag("--abc=12X", "abc", &value)); + EXPECT_EQ(123, value); +} + +// Tests that ParseInt32Flag() parses the value of the flag and +// returns true when the flag represents a valid decimal integer in +// the range of an Int32. +TEST(ParseInt32FlagTest, ParsesAndReturnsValidValue) { + Int32 value = 123; + EXPECT_TRUE(ParseInt32Flag("--" GTEST_FLAG_PREFIX "abc=456", "abc", &value)); + EXPECT_EQ(456, value); + + EXPECT_TRUE(ParseInt32Flag("--" GTEST_FLAG_PREFIX "abc=-789", "abc", &value)); + EXPECT_EQ(-789, value); +} + +// For the same reason we are not explicitly testing everything in the +// Test class, there are no separate tests for the following classes: +// +// TestCase, UnitTest, UnitTestResultPrinter. +// +// Similarly, there are no separate tests for the following macros: +// +// TEST, TEST_F, RUN_ALL_TESTS + +// This group of tests is for predicate assertions (ASSERT_PRED*, etc) +// of various arities. They do not attempt to be exhaustive. Rather, +// view them as smoke tests that can be easily reviewed and verified. +// A more complete set of tests for predicate assertions can be found +// in gtest_pred_impl_unittest.cc. + +// First, some predicates and predicate-formatters needed by the tests. + +// Returns true iff the argument is an even number. +bool IsEven(int n) { + return (n % 2) == 0; +} + +// A functor that returns true iff the argument is an even number. +struct IsEvenFunctor { + bool operator()(int n) { return IsEven(n); } +}; + +// A predicate-formatter function that asserts the argument is an even +// number. +testing::AssertionResult AssertIsEven(const char* expr, int n) { + if (IsEven(n)) { + return testing::AssertionSuccess(); + } + + testing::Message msg; + msg << expr << " evaluates to " << n << ", which is not even."; + return testing::AssertionFailure(msg); +} + +// A predicate-formatter functor that asserts the argument is an even +// number. +struct AssertIsEvenFunctor { + testing::AssertionResult operator()(const char* expr, int n) { + return AssertIsEven(expr, n); + } +}; + +// Returns true iff the sum of the arguments is an even number. +bool SumIsEven2(int n1, int n2) { + return IsEven(n1 + n2); +} + +// A functor that returns true iff the sum of the arguments is an even +// number. +struct SumIsEven3Functor { + bool operator()(int n1, int n2, int n3) { + return IsEven(n1 + n2 + n3); + } +}; + +// A predicate-formatter function that asserts the sum of the +// arguments is an even number. +testing::AssertionResult AssertSumIsEven4(const char* e1, + const char* e2, + const char* e3, + const char* e4, + int n1, + int n2, + int n3, + int n4) { + const int sum = n1 + n2 + n3 + n4; + if (IsEven(sum)) { + return testing::AssertionSuccess(); + } + + testing::Message msg; + msg << e1 << " + " << e2 << " + " << e3 << " + " << e4 + << " (" << n1 << " + " << n2 << " + " << n3 << " + " << n4 + << ") evaluates to " << sum << ", which is not even."; + return testing::AssertionFailure(msg); +} + +// A predicate-formatter functor that asserts the sum of the arguments +// is an even number. +struct AssertSumIsEven5Functor { + testing::AssertionResult operator()(const char* e1, + const char* e2, + const char* e3, + const char* e4, + const char* e5, + int n1, + int n2, + int n3, + int n4, + int n5) { + const int sum = n1 + n2 + n3 + n4 + n5; + if (IsEven(sum)) { + return testing::AssertionSuccess(); + } + + testing::Message msg; + msg << e1 << " + " << e2 << " + " << e3 << " + " << e4 << " + " << e5 + << " (" + << n1 << " + " << n2 << " + " << n3 << " + " << n4 << " + " << n5 + << ") evaluates to " << sum << ", which is not even."; + return testing::AssertionFailure(msg); + } +}; + + +// Tests unary predicate assertions. + +// Tests unary predicate assertions that don't use a custom formatter. +TEST(Pred1Test, WithoutFormat) { + // Success cases. + EXPECT_PRED1(IsEvenFunctor(), 2) << "This failure is UNEXPECTED!"; + ASSERT_PRED1(IsEven, 4); + + // Failure cases. + EXPECT_NONFATAL_FAILURE({ // NOLINT + EXPECT_PRED1(IsEven, 5) << "This failure is expected."; + }, "This failure is expected."); + EXPECT_FATAL_FAILURE(ASSERT_PRED1(IsEvenFunctor(), 5), + "evaluates to false"); +} + +// Tests unary predicate assertions that use a custom formatter. +TEST(Pred1Test, WithFormat) { + // Success cases. + EXPECT_PRED_FORMAT1(AssertIsEven, 2); + ASSERT_PRED_FORMAT1(AssertIsEvenFunctor(), 4) + << "This failure is UNEXPECTED!"; + + // Failure cases. + const int n = 5; + EXPECT_NONFATAL_FAILURE(EXPECT_PRED_FORMAT1(AssertIsEvenFunctor(), n), + "n evaluates to 5, which is not even."); + EXPECT_FATAL_FAILURE({ // NOLINT + ASSERT_PRED_FORMAT1(AssertIsEven, 5) << "This failure is expected."; + }, "This failure is expected."); +} + +// Tests that unary predicate assertions evaluates their arguments +// exactly once. +TEST(Pred1Test, SingleEvaluationOnFailure) { + // A success case. + static int n = 0; + EXPECT_PRED1(IsEven, n++); + EXPECT_EQ(1, n) << "The argument is not evaluated exactly once."; + + // A failure case. + EXPECT_FATAL_FAILURE({ // NOLINT + ASSERT_PRED_FORMAT1(AssertIsEvenFunctor(), n++) + << "This failure is expected."; + }, "This failure is expected."); + EXPECT_EQ(2, n) << "The argument is not evaluated exactly once."; +} + + +// Tests predicate assertions whose arity is >= 2. + +// Tests predicate assertions that don't use a custom formatter. +TEST(PredTest, WithoutFormat) { + // Success cases. + ASSERT_PRED2(SumIsEven2, 2, 4) << "This failure is UNEXPECTED!"; + EXPECT_PRED3(SumIsEven3Functor(), 4, 6, 8); + + // Failure cases. + const int n1 = 1; + const int n2 = 2; + EXPECT_NONFATAL_FAILURE({ // NOLINT + EXPECT_PRED2(SumIsEven2, n1, n2) << "This failure is expected."; + }, "This failure is expected."); + EXPECT_FATAL_FAILURE({ // NOLINT + ASSERT_PRED3(SumIsEven3Functor(), 1, 2, 4); + }, "evaluates to false"); +} + +// Tests predicate assertions that use a custom formatter. +TEST(PredTest, WithFormat) { + // Success cases. + ASSERT_PRED_FORMAT4(AssertSumIsEven4, 4, 6, 8, 10) << + "This failure is UNEXPECTED!"; + EXPECT_PRED_FORMAT5(AssertSumIsEven5Functor(), 2, 4, 6, 8, 10); + + // Failure cases. + const int n1 = 1; + const int n2 = 2; + const int n3 = 4; + const int n4 = 6; + EXPECT_NONFATAL_FAILURE({ // NOLINT + EXPECT_PRED_FORMAT4(AssertSumIsEven4, n1, n2, n3, n4); + }, "evaluates to 13, which is not even."); + EXPECT_FATAL_FAILURE({ // NOLINT + ASSERT_PRED_FORMAT5(AssertSumIsEven5Functor(), 1, 2, 4, 6, 8) + << "This failure is expected."; + }, "This failure is expected."); +} + +// Tests that predicate assertions evaluates their arguments +// exactly once. +TEST(PredTest, SingleEvaluationOnFailure) { + // A success case. + int n1 = 0; + int n2 = 0; + EXPECT_PRED2(SumIsEven2, n1++, n2++); + EXPECT_EQ(1, n1) << "Argument 1 is not evaluated exactly once."; + EXPECT_EQ(1, n2) << "Argument 2 is not evaluated exactly once."; + + // Another success case. + n1 = n2 = 0; + int n3 = 0; + int n4 = 0; + int n5 = 0; + ASSERT_PRED_FORMAT5(AssertSumIsEven5Functor(), + n1++, n2++, n3++, n4++, n5++) + << "This failure is UNEXPECTED!"; + EXPECT_EQ(1, n1) << "Argument 1 is not evaluated exactly once."; + EXPECT_EQ(1, n2) << "Argument 2 is not evaluated exactly once."; + EXPECT_EQ(1, n3) << "Argument 3 is not evaluated exactly once."; + EXPECT_EQ(1, n4) << "Argument 4 is not evaluated exactly once."; + EXPECT_EQ(1, n5) << "Argument 5 is not evaluated exactly once."; + + // A failure case. + n1 = n2 = n3 = 0; + EXPECT_NONFATAL_FAILURE({ // NOLINT + EXPECT_PRED3(SumIsEven3Functor(), ++n1, n2++, n3++) + << "This failure is expected."; + }, "This failure is expected."); + EXPECT_EQ(1, n1) << "Argument 1 is not evaluated exactly once."; + EXPECT_EQ(1, n2) << "Argument 2 is not evaluated exactly once."; + EXPECT_EQ(1, n3) << "Argument 3 is not evaluated exactly once."; + + // Another failure case. + n1 = n2 = n3 = n4 = 0; + EXPECT_NONFATAL_FAILURE({ // NOLINT + EXPECT_PRED_FORMAT4(AssertSumIsEven4, ++n1, n2++, n3++, n4++); + }, "evaluates to 1, which is not even."); + EXPECT_EQ(1, n1) << "Argument 1 is not evaluated exactly once."; + EXPECT_EQ(1, n2) << "Argument 2 is not evaluated exactly once."; + EXPECT_EQ(1, n3) << "Argument 3 is not evaluated exactly once."; + EXPECT_EQ(1, n4) << "Argument 4 is not evaluated exactly once."; +} + + +// Some helper functions for testing using overloaded/template +// functions with ASSERT_PREDn and EXPECT_PREDn. + +bool IsPositive(int n) { + return n > 0; +} + +bool IsPositive(double x) { + return x > 0; +} + +template <typename T> +bool IsNegative(T x) { + return x < 0; +} + +template <typename T1, typename T2> +bool GreaterThan(T1 x1, T2 x2) { + return x1 > x2; +} + +// Tests that overloaded functions can be used in *_PRED* as long as +// their types are explicitly specified. +TEST(PredicateAssertionTest, AcceptsOverloadedFunction) { + EXPECT_PRED1(static_cast<bool (*)(int)>(IsPositive), 5); // NOLINT + ASSERT_PRED1(static_cast<bool (*)(double)>(IsPositive), 6.0); // NOLINT +} + +// Tests that template functions can be used in *_PRED* as long as +// their types are explicitly specified. +TEST(PredicateAssertionTest, AcceptsTemplateFunction) { + EXPECT_PRED1(IsNegative<int>, -5); + // Makes sure that we can handle templates with more than one + // parameter. + ASSERT_PRED2((GreaterThan<int, int>), 5, 0); +} + + +// Some helper functions for testing using overloaded/template +// functions with ASSERT_PRED_FORMATn and EXPECT_PRED_FORMATn. + +testing::AssertionResult IsPositiveFormat(const char* expr, int n) { + return n > 0 ? testing::AssertionSuccess() : + testing::AssertionFailure(testing::Message() << "Failure"); +} + +testing::AssertionResult IsPositiveFormat(const char* expr, double x) { + return x > 0 ? testing::AssertionSuccess() : + testing::AssertionFailure(testing::Message() << "Failure"); +} + +template <typename T> +testing::AssertionResult IsNegativeFormat(const char* expr, T x) { + return x < 0 ? testing::AssertionSuccess() : + testing::AssertionFailure(testing::Message() << "Failure"); +} + +template <typename T1, typename T2> +testing::AssertionResult EqualsFormat(const char* expr1, const char* expr2, + const T1& x1, const T2& x2) { + return x1 == x2 ? testing::AssertionSuccess() : + testing::AssertionFailure(testing::Message() << "Failure"); +} + +// Tests that overloaded functions can be used in *_PRED_FORMAT* +// without explictly specifying their types. +TEST(PredicateFormatAssertionTest, AcceptsOverloadedFunction) { + EXPECT_PRED_FORMAT1(IsPositiveFormat, 5); + ASSERT_PRED_FORMAT1(IsPositiveFormat, 6.0); +} + +// Tests that template functions can be used in *_PRED_FORMAT* without +// explicitly specifying their types. +TEST(PredicateFormatAssertionTest, AcceptsTemplateFunction) { + EXPECT_PRED_FORMAT1(IsNegativeFormat, -5); + ASSERT_PRED_FORMAT2(EqualsFormat, 3, 3); +} + + +// Tests string assertions. + +// Tests ASSERT_STREQ with non-NULL arguments. +TEST(StringAssertionTest, ASSERT_STREQ) { + const char * const p1 = "good"; + ASSERT_STREQ(p1, p1); + + // Let p2 have the same content as p1, but be at a different address. + const char p2[] = "good"; + ASSERT_STREQ(p1, p2); + + EXPECT_FATAL_FAILURE(ASSERT_STREQ("bad", "good"), + "Expected: \"bad\""); +} + +// Tests ASSERT_STREQ with NULL arguments. +TEST(StringAssertionTest, ASSERT_STREQ_Null) { + ASSERT_STREQ(static_cast<const char *>(NULL), NULL); + EXPECT_FATAL_FAILURE(ASSERT_STREQ(NULL, "non-null"), + "non-null"); +} + +// Tests ASSERT_STREQ with NULL arguments. +TEST(StringAssertionTest, ASSERT_STREQ_Null2) { + EXPECT_FATAL_FAILURE(ASSERT_STREQ("non-null", NULL), + "non-null"); +} + +// Tests ASSERT_STRNE. +TEST(StringAssertionTest, ASSERT_STRNE) { + ASSERT_STRNE("hi", "Hi"); + ASSERT_STRNE("Hi", NULL); + ASSERT_STRNE(NULL, "Hi"); + ASSERT_STRNE("", NULL); + ASSERT_STRNE(NULL, ""); + ASSERT_STRNE("", "Hi"); + ASSERT_STRNE("Hi", ""); + EXPECT_FATAL_FAILURE(ASSERT_STRNE("Hi", "Hi"), + "\"Hi\" vs \"Hi\""); +} + +// Tests ASSERT_STRCASEEQ. +TEST(StringAssertionTest, ASSERT_STRCASEEQ) { + ASSERT_STRCASEEQ("hi", "Hi"); + ASSERT_STRCASEEQ(static_cast<const char *>(NULL), NULL); + + ASSERT_STRCASEEQ("", ""); + EXPECT_FATAL_FAILURE(ASSERT_STRCASEEQ("Hi", "hi2"), + "(ignoring case)"); +} + +// Tests ASSERT_STRCASENE. +TEST(StringAssertionTest, ASSERT_STRCASENE) { + ASSERT_STRCASENE("hi1", "Hi2"); + ASSERT_STRCASENE("Hi", NULL); + ASSERT_STRCASENE(NULL, "Hi"); + ASSERT_STRCASENE("", NULL); + ASSERT_STRCASENE(NULL, ""); + ASSERT_STRCASENE("", "Hi"); + ASSERT_STRCASENE("Hi", ""); + EXPECT_FATAL_FAILURE(ASSERT_STRCASENE("Hi", "hi"), + "(ignoring case)"); +} + +// Tests *_STREQ on wide strings. +TEST(StringAssertionTest, STREQ_Wide) { + // NULL strings. + ASSERT_STREQ(static_cast<const wchar_t *>(NULL), NULL); + + // Empty strings. + ASSERT_STREQ(L"", L""); + + // Non-null vs NULL. + EXPECT_NONFATAL_FAILURE(EXPECT_STREQ(L"non-null", NULL), + "non-null"); + + // Equal strings. + EXPECT_STREQ(L"Hi", L"Hi"); + + // Unequal strings. + EXPECT_NONFATAL_FAILURE(EXPECT_STREQ(L"abc", L"Abc"), + "Abc"); + + // Strings containing wide characters. + EXPECT_NONFATAL_FAILURE(EXPECT_STREQ(L"abc\x8119", L"abc\x8120"), + "abc"); +} + +// Tests *_STRNE on wide strings. +TEST(StringAssertionTest, STRNE_Wide) { + // NULL strings. + EXPECT_NONFATAL_FAILURE({ // NOLINT + EXPECT_STRNE(static_cast<const wchar_t *>(NULL), NULL); + }, ""); + + // Empty strings. + EXPECT_NONFATAL_FAILURE(EXPECT_STRNE(L"", L""), + "L\"\""); + + // Non-null vs NULL. + ASSERT_STRNE(L"non-null", NULL); + + // Equal strings. + EXPECT_NONFATAL_FAILURE(EXPECT_STRNE(L"Hi", L"Hi"), + "L\"Hi\""); + + // Unequal strings. + EXPECT_STRNE(L"abc", L"Abc"); + + // Strings containing wide characters. + EXPECT_NONFATAL_FAILURE(EXPECT_STRNE(L"abc\x8119", L"abc\x8119"), + "abc"); +} + +// Tests for ::testing::IsSubstring(). + +// Tests that IsSubstring() returns the correct result when the input +// argument type is const char*. +TEST(IsSubstringTest, ReturnsCorrectResultForCString) { + using ::testing::IsSubstring; + + EXPECT_FALSE(IsSubstring("", "", NULL, "a")); + EXPECT_FALSE(IsSubstring("", "", "b", NULL)); + EXPECT_FALSE(IsSubstring("", "", "needle", "haystack")); + + EXPECT_TRUE(IsSubstring("", "", static_cast<const char*>(NULL), NULL)); + EXPECT_TRUE(IsSubstring("", "", "needle", "two needles")); +} + +// Tests that IsSubstring() returns the correct result when the input +// argument type is const wchar_t*. +TEST(IsSubstringTest, ReturnsCorrectResultForWideCString) { + using ::testing::IsSubstring; + + EXPECT_FALSE(IsSubstring("", "", NULL, L"a")); + EXPECT_FALSE(IsSubstring("", "", L"b", NULL)); + EXPECT_FALSE(IsSubstring("", "", L"needle", L"haystack")); + + EXPECT_TRUE(IsSubstring("", "", static_cast<const wchar_t*>(NULL), NULL)); + EXPECT_TRUE(IsSubstring("", "", L"needle", L"two needles")); +} + +// Tests that IsSubstring() generates the correct message when the input +// argument type is const char*. +TEST(IsSubstringTest, GeneratesCorrectMessageForCString) { + EXPECT_STREQ("Value of: needle_expr\n" + " Actual: \"needle\"\n" + "Expected: a substring of haystack_expr\n" + "Which is: \"haystack\"", + ::testing::IsSubstring("needle_expr", "haystack_expr", + "needle", "haystack").failure_message()); +} + +#if GTEST_HAS_STD_STRING + +// Tests that IsSubstring returns the correct result when the input +// argument type is ::std::string. +TEST(IsSubstringTest, ReturnsCorrectResultsForStdString) { + EXPECT_TRUE(::testing::IsSubstring("", "", std::string("hello"), "ahellob")); + EXPECT_FALSE(::testing::IsSubstring("", "", "hello", std::string("world"))); +} + +#endif // GTEST_HAS_STD_STRING + +#if GTEST_HAS_STD_WSTRING +// Tests that IsSubstring returns the correct result when the input +// argument type is ::std::wstring. +TEST(IsSubstringTest, ReturnsCorrectResultForStdWstring) { + using ::testing::IsSubstring; + + EXPECT_TRUE(IsSubstring("", "", ::std::wstring(L"needle"), L"two needles")); + EXPECT_FALSE(IsSubstring("", "", L"needle", ::std::wstring(L"haystack"))); +} + +// Tests that IsSubstring() generates the correct message when the input +// argument type is ::std::wstring. +TEST(IsSubstringTest, GeneratesCorrectMessageForWstring) { + EXPECT_STREQ("Value of: needle_expr\n" + " Actual: L\"needle\"\n" + "Expected: a substring of haystack_expr\n" + "Which is: L\"haystack\"", + ::testing::IsSubstring( + "needle_expr", "haystack_expr", + ::std::wstring(L"needle"), L"haystack").failure_message()); +} + +#endif // GTEST_HAS_STD_WSTRING + +// Tests for ::testing::IsNotSubstring(). + +// Tests that IsNotSubstring() returns the correct result when the input +// argument type is const char*. +TEST(IsNotSubstringTest, ReturnsCorrectResultForCString) { + using ::testing::IsNotSubstring; + + EXPECT_TRUE(IsNotSubstring("", "", "needle", "haystack")); + EXPECT_FALSE(IsNotSubstring("", "", "needle", "two needles")); +} + +// Tests that IsNotSubstring() returns the correct result when the input +// argument type is const wchar_t*. +TEST(IsNotSubstringTest, ReturnsCorrectResultForWideCString) { + using ::testing::IsNotSubstring; + + EXPECT_TRUE(IsNotSubstring("", "", L"needle", L"haystack")); + EXPECT_FALSE(IsNotSubstring("", "", L"needle", L"two needles")); +} + +// Tests that IsNotSubstring() generates the correct message when the input +// argument type is const wchar_t*. +TEST(IsNotSubstringTest, GeneratesCorrectMessageForWideCString) { + EXPECT_STREQ("Value of: needle_expr\n" + " Actual: L\"needle\"\n" + "Expected: not a substring of haystack_expr\n" + "Which is: L\"two needles\"", + ::testing::IsNotSubstring( + "needle_expr", "haystack_expr", + L"needle", L"two needles").failure_message()); +} + +#if GTEST_HAS_STD_STRING + +// Tests that IsNotSubstring returns the correct result when the input +// argument type is ::std::string. +TEST(IsNotSubstringTest, ReturnsCorrectResultsForStdString) { + using ::testing::IsNotSubstring; + + EXPECT_FALSE(IsNotSubstring("", "", std::string("hello"), "ahellob")); + EXPECT_TRUE(IsNotSubstring("", "", "hello", std::string("world"))); +} + +// Tests that IsNotSubstring() generates the correct message when the input +// argument type is ::std::string. +TEST(IsNotSubstringTest, GeneratesCorrectMessageForStdString) { + EXPECT_STREQ("Value of: needle_expr\n" + " Actual: \"needle\"\n" + "Expected: not a substring of haystack_expr\n" + "Which is: \"two needles\"", + ::testing::IsNotSubstring( + "needle_expr", "haystack_expr", + ::std::string("needle"), "two needles").failure_message()); +} + +#endif // GTEST_HAS_STD_STRING + +#if GTEST_HAS_STD_WSTRING + +// Tests that IsNotSubstring returns the correct result when the input +// argument type is ::std::wstring. +TEST(IsNotSubstringTest, ReturnsCorrectResultForStdWstring) { + using ::testing::IsNotSubstring; + + EXPECT_FALSE( + IsNotSubstring("", "", ::std::wstring(L"needle"), L"two needles")); + EXPECT_TRUE(IsNotSubstring("", "", L"needle", ::std::wstring(L"haystack"))); +} + +#endif // GTEST_HAS_STD_WSTRING + +// Tests floating-point assertions. + +template <typename RawType> +class FloatingPointTest : public testing::Test { + protected: + typedef typename testing::internal::FloatingPoint<RawType> Floating; + typedef typename Floating::Bits Bits; + + virtual void SetUp() { + const size_t max_ulps = Floating::kMaxUlps; + + // The bits that represent 0.0. + const Bits zero_bits = Floating(0).bits(); + + // Makes some numbers close to 0.0. + close_to_positive_zero_ = Floating::ReinterpretBits(zero_bits + max_ulps/2); + close_to_negative_zero_ = -Floating::ReinterpretBits( + zero_bits + max_ulps - max_ulps/2); + further_from_negative_zero_ = -Floating::ReinterpretBits( + zero_bits + max_ulps + 1 - max_ulps/2); + + // The bits that represent 1.0. + const Bits one_bits = Floating(1).bits(); + + // Makes some numbers close to 1.0. + close_to_one_ = Floating::ReinterpretBits(one_bits + max_ulps); + further_from_one_ = Floating::ReinterpretBits(one_bits + max_ulps + 1); + + // +infinity. + infinity_ = Floating::Infinity(); + + // The bits that represent +infinity. + const Bits infinity_bits = Floating(infinity_).bits(); + + // Makes some numbers close to infinity. + close_to_infinity_ = Floating::ReinterpretBits(infinity_bits - max_ulps); + further_from_infinity_ = Floating::ReinterpretBits( + infinity_bits - max_ulps - 1); + + // Makes some NAN's. + nan1_ = Floating::ReinterpretBits(Floating::kExponentBitMask | 1); + nan2_ = Floating::ReinterpretBits(Floating::kExponentBitMask | 200); + } + + void TestSize() { + EXPECT_EQ(sizeof(RawType), sizeof(Bits)); + } + + // Pre-calculated numbers to be used by the tests. + + static RawType close_to_positive_zero_; + static RawType close_to_negative_zero_; + static RawType further_from_negative_zero_; + + static RawType close_to_one_; + static RawType further_from_one_; + + static RawType infinity_; + static RawType close_to_infinity_; + static RawType further_from_infinity_; + + static RawType nan1_; + static RawType nan2_; +}; + +template <typename RawType> +RawType FloatingPointTest<RawType>::close_to_positive_zero_; + +template <typename RawType> +RawType FloatingPointTest<RawType>::close_to_negative_zero_; + +template <typename RawType> +RawType FloatingPointTest<RawType>::further_from_negative_zero_; + +template <typename RawType> +RawType FloatingPointTest<RawType>::close_to_one_; + +template <typename RawType> +RawType FloatingPointTest<RawType>::further_from_one_; + +template <typename RawType> +RawType FloatingPointTest<RawType>::infinity_; + +template <typename RawType> +RawType FloatingPointTest<RawType>::close_to_infinity_; + +template <typename RawType> +RawType FloatingPointTest<RawType>::further_from_infinity_; + +template <typename RawType> +RawType FloatingPointTest<RawType>::nan1_; + +template <typename RawType> +RawType FloatingPointTest<RawType>::nan2_; + +// Instantiates FloatingPointTest for testing *_FLOAT_EQ. +typedef FloatingPointTest<float> FloatTest; + +// Tests that the size of Float::Bits matches the size of float. +TEST_F(FloatTest, Size) { + TestSize(); +} + +// Tests comparing with +0 and -0. +TEST_F(FloatTest, Zeros) { + EXPECT_FLOAT_EQ(0.0, -0.0); + EXPECT_NONFATAL_FAILURE(EXPECT_FLOAT_EQ(-0.0, 1.0), + "1.0"); + EXPECT_FATAL_FAILURE(ASSERT_FLOAT_EQ(0.0, 1.5), + "1.5"); +} + +// Tests comparing numbers close to 0. +// +// This ensures that *_FLOAT_EQ handles the sign correctly and no +// overflow occurs when comparing numbers whose absolute value is very +// small. +TEST_F(FloatTest, AlmostZeros) { + EXPECT_FLOAT_EQ(0.0, close_to_positive_zero_); + EXPECT_FLOAT_EQ(-0.0, close_to_negative_zero_); + EXPECT_FLOAT_EQ(close_to_positive_zero_, close_to_negative_zero_); + + EXPECT_FATAL_FAILURE({ // NOLINT + ASSERT_FLOAT_EQ(close_to_positive_zero_, further_from_negative_zero_); + }, "further_from_negative_zero_"); +} + +// Tests comparing numbers close to each other. +TEST_F(FloatTest, SmallDiff) { + EXPECT_FLOAT_EQ(1.0, close_to_one_); + EXPECT_NONFATAL_FAILURE(EXPECT_FLOAT_EQ(1.0, further_from_one_), + "further_from_one_"); +} + +// Tests comparing numbers far apart. +TEST_F(FloatTest, LargeDiff) { + EXPECT_NONFATAL_FAILURE(EXPECT_FLOAT_EQ(2.5, 3.0), + "3.0"); +} + +// Tests comparing with infinity. +// +// This ensures that no overflow occurs when comparing numbers whose +// absolute value is very large. +TEST_F(FloatTest, Infinity) { + EXPECT_FLOAT_EQ(infinity_, close_to_infinity_); + EXPECT_FLOAT_EQ(-infinity_, -close_to_infinity_); + EXPECT_NONFATAL_FAILURE(EXPECT_FLOAT_EQ(infinity_, -infinity_), + "-infinity_"); + + // This is interesting as the representations of infinity_ and nan1_ + // are only 1 DLP apart. + EXPECT_NONFATAL_FAILURE(EXPECT_FLOAT_EQ(infinity_, nan1_), + "nan1_"); +} + +// Tests that comparing with NAN always returns false. +TEST_F(FloatTest, NaN) { + EXPECT_NONFATAL_FAILURE(EXPECT_FLOAT_EQ(nan1_, nan1_), + "nan1_"); + EXPECT_NONFATAL_FAILURE(EXPECT_FLOAT_EQ(nan1_, nan2_), + "nan2_"); + EXPECT_NONFATAL_FAILURE(EXPECT_FLOAT_EQ(1.0, nan1_), + "nan1_"); + + EXPECT_FATAL_FAILURE(ASSERT_FLOAT_EQ(nan1_, infinity_), + "infinity_"); +} + +// Tests that *_FLOAT_EQ are reflexive. +TEST_F(FloatTest, Reflexive) { + EXPECT_FLOAT_EQ(0.0, 0.0); + EXPECT_FLOAT_EQ(1.0, 1.0); + ASSERT_FLOAT_EQ(infinity_, infinity_); +} + +// Tests that *_FLOAT_EQ are commutative. +TEST_F(FloatTest, Commutative) { + // We already tested EXPECT_FLOAT_EQ(1.0, close_to_one_). + EXPECT_FLOAT_EQ(close_to_one_, 1.0); + + // We already tested EXPECT_FLOAT_EQ(1.0, further_from_one_). + EXPECT_NONFATAL_FAILURE(EXPECT_FLOAT_EQ(further_from_one_, 1.0), + "1.0"); +} + +// Tests EXPECT_NEAR. +TEST_F(FloatTest, EXPECT_NEAR) { + EXPECT_NEAR(-1.0f, -1.1f, 0.2f); + EXPECT_NEAR(2.0f, 3.0f, 1.0f); + EXPECT_NONFATAL_FAILURE(EXPECT_NEAR(1.0f,1.2f, 0.1f), // NOLINT + "The difference between 1.0f and 1.2f is 0.2, " + "which exceeds 0.1f"); + // To work around a bug in gcc 2.95.0, there is intentionally no + // space after the first comma in the previous line. +} + +// Tests ASSERT_NEAR. +TEST_F(FloatTest, ASSERT_NEAR) { + ASSERT_NEAR(-1.0f, -1.1f, 0.2f); + ASSERT_NEAR(2.0f, 3.0f, 1.0f); + EXPECT_FATAL_FAILURE(ASSERT_NEAR(1.0f,1.2f, 0.1f), // NOLINT + "The difference between 1.0f and 1.2f is 0.2, " + "which exceeds 0.1f"); + // To work around a bug in gcc 2.95.0, there is intentionally no + // space after the first comma in the previous line. +} + +// Tests the cases where FloatLE() should succeed. +TEST_F(FloatTest, FloatLESucceeds) { + EXPECT_PRED_FORMAT2(testing::FloatLE, 1.0f, 2.0f); // When val1 < val2, + ASSERT_PRED_FORMAT2(testing::FloatLE, 1.0f, 1.0f); // val1 == val2, + + // or when val1 is greater than, but almost equals to, val2. + EXPECT_PRED_FORMAT2(testing::FloatLE, close_to_positive_zero_, 0.0f); +} + +// Tests the cases where FloatLE() should fail. +TEST_F(FloatTest, FloatLEFails) { + // When val1 is greater than val2 by a large margin, + EXPECT_NONFATAL_FAILURE(EXPECT_PRED_FORMAT2(testing::FloatLE, 2.0f, 1.0f), + "(2.0f) <= (1.0f)"); + + // or by a small yet non-negligible margin, + EXPECT_NONFATAL_FAILURE({ // NOLINT + EXPECT_PRED_FORMAT2(testing::FloatLE, further_from_one_, 1.0f); + }, "(further_from_one_) <= (1.0f)"); + + // or when either val1 or val2 is NaN. + EXPECT_NONFATAL_FAILURE({ // NOLINT + EXPECT_PRED_FORMAT2(testing::FloatLE, nan1_, infinity_); + }, "(nan1_) <= (infinity_)"); + EXPECT_NONFATAL_FAILURE({ // NOLINT + EXPECT_PRED_FORMAT2(testing::FloatLE, -infinity_, nan1_); + }, "(-infinity_) <= (nan1_)"); + + EXPECT_FATAL_FAILURE({ // NOLINT + ASSERT_PRED_FORMAT2(testing::FloatLE, nan1_, nan1_); + }, "(nan1_) <= (nan1_)"); +} + +// Instantiates FloatingPointTest for testing *_DOUBLE_EQ. +typedef FloatingPointTest<double> DoubleTest; + +// Tests that the size of Double::Bits matches the size of double. +TEST_F(DoubleTest, Size) { + TestSize(); +} + +// Tests comparing with +0 and -0. +TEST_F(DoubleTest, Zeros) { + EXPECT_DOUBLE_EQ(0.0, -0.0); + EXPECT_NONFATAL_FAILURE(EXPECT_DOUBLE_EQ(-0.0, 1.0), + "1.0"); + EXPECT_FATAL_FAILURE(ASSERT_DOUBLE_EQ(0.0, 1.0), + "1.0"); +} + +// Tests comparing numbers close to 0. +// +// This ensures that *_DOUBLE_EQ handles the sign correctly and no +// overflow occurs when comparing numbers whose absolute value is very +// small. +TEST_F(DoubleTest, AlmostZeros) { + EXPECT_DOUBLE_EQ(0.0, close_to_positive_zero_); + EXPECT_DOUBLE_EQ(-0.0, close_to_negative_zero_); + EXPECT_DOUBLE_EQ(close_to_positive_zero_, close_to_negative_zero_); + + EXPECT_FATAL_FAILURE({ // NOLINT + ASSERT_DOUBLE_EQ(close_to_positive_zero_, further_from_negative_zero_); + }, "further_from_negative_zero_"); +} + +// Tests comparing numbers close to each other. +TEST_F(DoubleTest, SmallDiff) { + EXPECT_DOUBLE_EQ(1.0, close_to_one_); + EXPECT_NONFATAL_FAILURE(EXPECT_DOUBLE_EQ(1.0, further_from_one_), + "further_from_one_"); +} + +// Tests comparing numbers far apart. +TEST_F(DoubleTest, LargeDiff) { + EXPECT_NONFATAL_FAILURE(EXPECT_DOUBLE_EQ(2.0, 3.0), + "3.0"); +} + +// Tests comparing with infinity. +// +// This ensures that no overflow occurs when comparing numbers whose +// absolute value is very large. +TEST_F(DoubleTest, Infinity) { + EXPECT_DOUBLE_EQ(infinity_, close_to_infinity_); + EXPECT_DOUBLE_EQ(-infinity_, -close_to_infinity_); + EXPECT_NONFATAL_FAILURE(EXPECT_DOUBLE_EQ(infinity_, -infinity_), + "-infinity_"); + + // This is interesting as the representations of infinity_ and nan1_ + // are only 1 DLP apart. + EXPECT_NONFATAL_FAILURE(EXPECT_DOUBLE_EQ(infinity_, nan1_), + "nan1_"); +} + +// Tests that comparing with NAN always returns false. +TEST_F(DoubleTest, NaN) { + EXPECT_NONFATAL_FAILURE(EXPECT_DOUBLE_EQ(nan1_, nan1_), + "nan1_"); + EXPECT_NONFATAL_FAILURE(EXPECT_DOUBLE_EQ(nan1_, nan2_), "nan2_"); + EXPECT_NONFATAL_FAILURE(EXPECT_DOUBLE_EQ(1.0, nan1_), "nan1_"); + EXPECT_FATAL_FAILURE(ASSERT_DOUBLE_EQ(nan1_, infinity_), "infinity_"); +} + +// Tests that *_DOUBLE_EQ are reflexive. +TEST_F(DoubleTest, Reflexive) { + EXPECT_DOUBLE_EQ(0.0, 0.0); + EXPECT_DOUBLE_EQ(1.0, 1.0); + ASSERT_DOUBLE_EQ(infinity_, infinity_); +} + +// Tests that *_DOUBLE_EQ are commutative. +TEST_F(DoubleTest, Commutative) { + // We already tested EXPECT_DOUBLE_EQ(1.0, close_to_one_). + EXPECT_DOUBLE_EQ(close_to_one_, 1.0); + + // We already tested EXPECT_DOUBLE_EQ(1.0, further_from_one_). + EXPECT_NONFATAL_FAILURE(EXPECT_DOUBLE_EQ(further_from_one_, 1.0), "1.0"); +} + +// Tests EXPECT_NEAR. +TEST_F(DoubleTest, EXPECT_NEAR) { + EXPECT_NEAR(-1.0, -1.1, 0.2); + EXPECT_NEAR(2.0, 3.0, 1.0); +#ifdef __SYMBIAN32__ + // Symbian STLport has currently a buggy floating point output. + // TODO(mikie): fix STLport. + EXPECT_NONFATAL_FAILURE(EXPECT_NEAR(1.0, 1.2, 0.1), // NOLINT + "The difference between 1.0 and 1.2 is 0.19999:, " + "which exceeds 0.1"); +#else // !__SYMBIAN32__ + EXPECT_NONFATAL_FAILURE(EXPECT_NEAR(1.0, 1.2, 0.1), // NOLINT + "The difference between 1.0 and 1.2 is 0.2, " + "which exceeds 0.1"); + // To work around a bug in gcc 2.95.0, there is intentionally no + // space after the first comma in the previous statement. +#endif // __SYMBIAN32__ +} + +// Tests ASSERT_NEAR. +TEST_F(DoubleTest, ASSERT_NEAR) { + ASSERT_NEAR(-1.0, -1.1, 0.2); + ASSERT_NEAR(2.0, 3.0, 1.0); +#ifdef __SYMBIAN32__ + // Symbian STLport has currently a buggy floating point output. + // TODO(mikie): fix STLport. + EXPECT_FATAL_FAILURE(ASSERT_NEAR(1.0, 1.2, 0.1), // NOLINT + "The difference between 1.0 and 1.2 is 0.19999:, " + "which exceeds 0.1"); +#else // ! __SYMBIAN32__ + EXPECT_FATAL_FAILURE(ASSERT_NEAR(1.0, 1.2, 0.1), // NOLINT + "The difference between 1.0 and 1.2 is 0.2, " + "which exceeds 0.1"); + // To work around a bug in gcc 2.95.0, there is intentionally no + // space after the first comma in the previous statement. +#endif // __SYMBIAN32__ +} + +// Tests the cases where DoubleLE() should succeed. +TEST_F(DoubleTest, DoubleLESucceeds) { + EXPECT_PRED_FORMAT2(testing::DoubleLE, 1.0, 2.0); // When val1 < val2, + ASSERT_PRED_FORMAT2(testing::DoubleLE, 1.0, 1.0); // val1 == val2, + + // or when val1 is greater than, but almost equals to, val2. + EXPECT_PRED_FORMAT2(testing::DoubleLE, close_to_positive_zero_, 0.0); +} + +// Tests the cases where DoubleLE() should fail. +TEST_F(DoubleTest, DoubleLEFails) { + // When val1 is greater than val2 by a large margin, + EXPECT_NONFATAL_FAILURE(EXPECT_PRED_FORMAT2(testing::DoubleLE, 2.0, 1.0), + "(2.0) <= (1.0)"); + + // or by a small yet non-negligible margin, + EXPECT_NONFATAL_FAILURE({ // NOLINT + EXPECT_PRED_FORMAT2(testing::DoubleLE, further_from_one_, 1.0); + }, "(further_from_one_) <= (1.0)"); + + // or when either val1 or val2 is NaN. + EXPECT_NONFATAL_FAILURE({ // NOLINT + EXPECT_PRED_FORMAT2(testing::DoubleLE, nan1_, infinity_); + }, "(nan1_) <= (infinity_)"); + EXPECT_NONFATAL_FAILURE({ // NOLINT + EXPECT_PRED_FORMAT2(testing::DoubleLE, -infinity_, nan1_); + }, " (-infinity_) <= (nan1_)"); + EXPECT_FATAL_FAILURE({ // NOLINT + ASSERT_PRED_FORMAT2(testing::DoubleLE, nan1_, nan1_); + }, "(nan1_) <= (nan1_)"); +} + + +// Verifies that a test or test case whose name starts with DISABLED_ is +// not run. + +// A test whose name starts with DISABLED_. +// Should not run. +TEST(DisabledTest, DISABLED_TestShouldNotRun) { + FAIL() << "Unexpected failure: Disabled test should not be run."; +} + +// A test whose name does not start with DISABLED_. +// Should run. +TEST(DisabledTest, NotDISABLED_TestShouldRun) { + EXPECT_EQ(1, 1); +} + +// A test case whose name starts with DISABLED_. +// Should not run. +TEST(DISABLED_TestCase, TestShouldNotRun) { + FAIL() << "Unexpected failure: Test in disabled test case should not be run."; +} + +// A test case and test whose names start with DISABLED_. +// Should not run. +TEST(DISABLED_TestCase, DISABLED_TestShouldNotRun) { + FAIL() << "Unexpected failure: Test in disabled test case should not be run."; +} + +// Check that when all tests in a test case are disabled, SetupTestCase() and +// TearDownTestCase() are not called. +class DisabledTestsTest : public testing::Test { + protected: + static void SetUpTestCase() { + FAIL() << "Unexpected failure: All tests disabled in test case. " + "SetupTestCase() should not be called."; + } + + static void TearDownTestCase() { + FAIL() << "Unexpected failure: All tests disabled in test case. " + "TearDownTestCase() should not be called."; + } +}; + +TEST_F(DisabledTestsTest, DISABLED_TestShouldNotRun_1) { + FAIL() << "Unexpected failure: Disabled test should not be run."; +} + +TEST_F(DisabledTestsTest, DISABLED_TestShouldNotRun_2) { + FAIL() << "Unexpected failure: Disabled test should not be run."; +} + + +// Tests that assertion macros evaluate their arguments exactly once. + +class SingleEvaluationTest : public testing::Test { + protected: + SingleEvaluationTest() { + p1_ = s1_; + p2_ = s2_; + a_ = 0; + b_ = 0; + } + + // This helper function is needed by the FailedASSERT_STREQ test + // below. + static void CompareAndIncrementCharPtrs() { + ASSERT_STREQ(p1_++, p2_++); + } + + // This helper function is needed by the FailedASSERT_NE test below. + static void CompareAndIncrementInts() { + ASSERT_NE(a_++, b_++); + } + + static const char* const s1_; + static const char* const s2_; + static const char* p1_; + static const char* p2_; + + static int a_; + static int b_; +}; + +const char* const SingleEvaluationTest::s1_ = "01234"; +const char* const SingleEvaluationTest::s2_ = "abcde"; +const char* SingleEvaluationTest::p1_; +const char* SingleEvaluationTest::p2_; +int SingleEvaluationTest::a_; +int SingleEvaluationTest::b_; + +// Tests that when ASSERT_STREQ fails, it evaluates its arguments +// exactly once. +TEST_F(SingleEvaluationTest, FailedASSERT_STREQ) { + EXPECT_FATAL_FAILURE(CompareAndIncrementCharPtrs(), + "p2_++"); + EXPECT_EQ(s1_ + 1, p1_); + EXPECT_EQ(s2_ + 1, p2_); +} + +// Tests that string assertion arguments are evaluated exactly once. +TEST_F(SingleEvaluationTest, ASSERT_STR) { + // successful EXPECT_STRNE + EXPECT_STRNE(p1_++, p2_++); + EXPECT_EQ(s1_ + 1, p1_); + EXPECT_EQ(s2_ + 1, p2_); + + // failed EXPECT_STRCASEEQ + EXPECT_NONFATAL_FAILURE(EXPECT_STRCASEEQ(p1_++, p2_++), + "ignoring case"); + EXPECT_EQ(s1_ + 2, p1_); + EXPECT_EQ(s2_ + 2, p2_); +} + +// Tests that when ASSERT_NE fails, it evaluates its arguments exactly +// once. +TEST_F(SingleEvaluationTest, FailedASSERT_NE) { + EXPECT_FATAL_FAILURE(CompareAndIncrementInts(), "(a_++) != (b_++)"); + EXPECT_EQ(1, a_); + EXPECT_EQ(1, b_); +} + +// Tests that assertion arguments are evaluated exactly once. +TEST_F(SingleEvaluationTest, OtherCases) { + // successful EXPECT_TRUE + EXPECT_TRUE(0 == a_++); // NOLINT + EXPECT_EQ(1, a_); + + // failed EXPECT_TRUE + EXPECT_NONFATAL_FAILURE(EXPECT_TRUE(-1 == a_++), "-1 == a_++"); + EXPECT_EQ(2, a_); + + // successful EXPECT_GT + EXPECT_GT(a_++, b_++); + EXPECT_EQ(3, a_); + EXPECT_EQ(1, b_); + + // failed EXPECT_LT + EXPECT_NONFATAL_FAILURE(EXPECT_LT(a_++, b_++), "(a_++) < (b_++)"); + EXPECT_EQ(4, a_); + EXPECT_EQ(2, b_); + + // successful ASSERT_TRUE + ASSERT_TRUE(0 < a_++); // NOLINT + EXPECT_EQ(5, a_); + + // successful ASSERT_GT + ASSERT_GT(a_++, b_++); + EXPECT_EQ(6, a_); + EXPECT_EQ(3, b_); +} + + +// Tests non-string assertions. + +// Tests EqFailure(), used for implementing *EQ* assertions. +TEST(AssertionTest, EqFailure) { + const String foo_val("5"), bar_val("6"); + const String msg1( + EqFailure("foo", "bar", foo_val, bar_val, false) + .failure_message()); + EXPECT_STREQ( + "Value of: bar\n" + " Actual: 6\n" + "Expected: foo\n" + "Which is: 5", + msg1.c_str()); + + const String msg2( + EqFailure("foo", "6", foo_val, bar_val, false) + .failure_message()); + EXPECT_STREQ( + "Value of: 6\n" + "Expected: foo\n" + "Which is: 5", + msg2.c_str()); + + const String msg3( + EqFailure("5", "bar", foo_val, bar_val, false) + .failure_message()); + EXPECT_STREQ( + "Value of: bar\n" + " Actual: 6\n" + "Expected: 5", + msg3.c_str()); + + const String msg4( + EqFailure("5", "6", foo_val, bar_val, false).failure_message()); + EXPECT_STREQ( + "Value of: 6\n" + "Expected: 5", + msg4.c_str()); + + const String msg5( + EqFailure("foo", "bar", + String("\"x\""), String("\"y\""), + true).failure_message()); + EXPECT_STREQ( + "Value of: bar\n" + " Actual: \"y\"\n" + "Expected: foo (ignoring case)\n" + "Which is: \"x\"", + msg5.c_str()); +} + +// Tests AppendUserMessage(), used for implementing the *EQ* macros. +TEST(AssertionTest, AppendUserMessage) { + const String foo("foo"); + + testing::Message msg; + EXPECT_STREQ("foo", + AppendUserMessage(foo, msg).c_str()); + + msg << "bar"; + EXPECT_STREQ("foo\nbar", + AppendUserMessage(foo, msg).c_str()); +} + +// Tests ASSERT_TRUE. +TEST(AssertionTest, ASSERT_TRUE) { + ASSERT_TRUE(2 > 1); // NOLINT + EXPECT_FATAL_FAILURE(ASSERT_TRUE(2 < 1), + "2 < 1"); +} + +// Tests ASSERT_FALSE. +TEST(AssertionTest, ASSERT_FALSE) { + ASSERT_FALSE(2 < 1); // NOLINT + EXPECT_FATAL_FAILURE(ASSERT_FALSE(2 > 1), + "Value of: 2 > 1\n" + " Actual: true\n" + "Expected: false"); +} + +// Tests using ASSERT_EQ on double values. The purpose is to make +// sure that the specialization we did for integer and anonymous enums +// isn't used for double arguments. +TEST(ExpectTest, ASSERT_EQ_Double) { + // A success. + ASSERT_EQ(5.6, 5.6); + + // A failure. + EXPECT_FATAL_FAILURE(ASSERT_EQ(5.1, 5.2), + "5.1"); +} + +// Tests ASSERT_EQ. +TEST(AssertionTest, ASSERT_EQ) { + ASSERT_EQ(5, 2 + 3); + EXPECT_FATAL_FAILURE(ASSERT_EQ(5, 2*3), + "Value of: 2*3\n" + " Actual: 6\n" + "Expected: 5"); +} + +// Tests ASSERT_EQ(NULL, pointer). +#ifndef __SYMBIAN32__ +// The NULL-detection template magic fails to compile with +// the Nokia compiler and crashes the ARM compiler, hence +// not testing on Symbian. +TEST(AssertionTest, ASSERT_EQ_NULL) { + // A success. + const char* p = NULL; + ASSERT_EQ(NULL, p); + + // A failure. + static int n = 0; + EXPECT_FATAL_FAILURE(ASSERT_EQ(NULL, &n), + "Value of: &n\n"); +} +#endif // __SYMBIAN32__ + +// Tests ASSERT_EQ(0, non_pointer). Since the literal 0 can be +// treated as a null pointer by the compiler, we need to make sure +// that ASSERT_EQ(0, non_pointer) isn't interpreted by Google Test as +// ASSERT_EQ(static_cast<void*>(NULL), non_pointer). +TEST(ExpectTest, ASSERT_EQ_0) { + int n = 0; + + // A success. + ASSERT_EQ(0, n); + + // A failure. + EXPECT_FATAL_FAILURE(ASSERT_EQ(0, 5.6), + "Expected: 0"); +} + +// Tests ASSERT_NE. +TEST(AssertionTest, ASSERT_NE) { + ASSERT_NE(6, 7); + EXPECT_FATAL_FAILURE(ASSERT_NE('a', 'a'), + "Expected: ('a') != ('a'), " + "actual: 'a' (97, 0x61) vs 'a' (97, 0x61)"); +} + +// Tests ASSERT_LE. +TEST(AssertionTest, ASSERT_LE) { + ASSERT_LE(2, 3); + ASSERT_LE(2, 2); + EXPECT_FATAL_FAILURE(ASSERT_LE(2, 0), + "Expected: (2) <= (0), actual: 2 vs 0"); +} + +// Tests ASSERT_LT. +TEST(AssertionTest, ASSERT_LT) { + ASSERT_LT(2, 3); + EXPECT_FATAL_FAILURE(ASSERT_LT(2, 2), + "Expected: (2) < (2), actual: 2 vs 2"); +} + +// Tests ASSERT_GE. +TEST(AssertionTest, ASSERT_GE) { + ASSERT_GE(2, 1); + ASSERT_GE(2, 2); + EXPECT_FATAL_FAILURE(ASSERT_GE(2, 3), + "Expected: (2) >= (3), actual: 2 vs 3"); +} + +// Tests ASSERT_GT. +TEST(AssertionTest, ASSERT_GT) { + ASSERT_GT(2, 1); + EXPECT_FATAL_FAILURE(ASSERT_GT(2, 2), + "Expected: (2) > (2), actual: 2 vs 2"); +} + +// Makes sure we deal with the precedence of <<. This test should +// compile. +TEST(AssertionTest, AssertPrecedence) { + ASSERT_EQ(1 < 2, true); + ASSERT_EQ(true && false, false); +} + +// A subroutine used by the following test. +void TestEq1(int x) { + ASSERT_EQ(1, x); +} + +// Tests calling a test subroutine that's not part of a fixture. +TEST(AssertionTest, NonFixtureSubroutine) { + EXPECT_FATAL_FAILURE(TestEq1(2), + "Value of: x"); +} + +// An uncopyable class. +class Uncopyable { + public: + explicit Uncopyable(int value) : value_(value) {} + + int value() const { return value_; } + bool operator==(const Uncopyable& rhs) const { + return value() == rhs.value(); + } + private: + // This constructor deliberately has no implementation, as we don't + // want this class to be copyable. + Uncopyable(const Uncopyable&); // NOLINT + + int value_; +}; + +::std::ostream& operator<<(::std::ostream& os, const Uncopyable& value) { + return os << value.value(); +} + + +bool IsPositiveUncopyable(const Uncopyable& x) { + return x.value() > 0; +} + +// A subroutine used by the following test. +void TestAssertNonPositive() { + Uncopyable y(-1); + ASSERT_PRED1(IsPositiveUncopyable, y); +} +// A subroutine used by the following test. +void TestAssertEqualsUncopyable() { + Uncopyable x(5); + Uncopyable y(-1); + ASSERT_EQ(x, y); +} + +// Tests that uncopyable objects can be used in assertions. +TEST(AssertionTest, AssertWorksWithUncopyableObject) { + Uncopyable x(5); + ASSERT_PRED1(IsPositiveUncopyable, x); + ASSERT_EQ(x, x); + EXPECT_FATAL_FAILURE(TestAssertNonPositive(), + "IsPositiveUncopyable(y) evaluates to false, where\ny evaluates to -1"); + EXPECT_FATAL_FAILURE(TestAssertEqualsUncopyable(), + "Value of: y\n Actual: -1\nExpected: x\nWhich is: 5"); +} + +// Tests that uncopyable objects can be used in expects. +TEST(AssertionTest, ExpectWorksWithUncopyableObject) { + Uncopyable x(5); + EXPECT_PRED1(IsPositiveUncopyable, x); + Uncopyable y(-1); + EXPECT_NONFATAL_FAILURE(EXPECT_PRED1(IsPositiveUncopyable, y), + "IsPositiveUncopyable(y) evaluates to false, where\ny evaluates to -1"); + EXPECT_EQ(x, x); + EXPECT_NONFATAL_FAILURE(EXPECT_EQ(x, y), + "Value of: y\n Actual: -1\nExpected: x\nWhich is: 5"); +} + + +// The version of gcc used in XCode 2.2 has a bug and doesn't allow +// anonymous enums in assertions. Therefore the following test is +// done only on Linux and Windows. +#if defined(GTEST_OS_LINUX) || defined(GTEST_OS_WINDOWS) + +// Tests using assertions with anonymous enums. +enum { + CASE_A = -1, +#ifdef GTEST_OS_LINUX + // We want to test the case where the size of the anonymous enum is + // larger than sizeof(int), to make sure our implementation of the + // assertions doesn't truncate the enums. However, MSVC + // (incorrectly) doesn't allow an enum value to exceed the range of + // an int, so this has to be conditionally compiled. + // + // On Linux, CASE_B and CASE_A have the same value when truncated to + // int size. We want to test whether this will confuse the + // assertions. + CASE_B = ::testing::internal::kMaxBiggestInt, +#else + CASE_B = INT_MAX, +#endif // GTEST_OS_LINUX +}; + +TEST(AssertionTest, AnonymousEnum) { +#ifdef GTEST_OS_LINUX + EXPECT_EQ(static_cast<int>(CASE_A), static_cast<int>(CASE_B)); +#endif // GTEST_OS_LINUX + + EXPECT_EQ(CASE_A, CASE_A); + EXPECT_NE(CASE_A, CASE_B); + EXPECT_LT(CASE_A, CASE_B); + EXPECT_LE(CASE_A, CASE_B); + EXPECT_GT(CASE_B, CASE_A); + EXPECT_GE(CASE_A, CASE_A); + EXPECT_NONFATAL_FAILURE(EXPECT_GE(CASE_A, CASE_B), + "(CASE_A) >= (CASE_B)"); + + ASSERT_EQ(CASE_A, CASE_A); + ASSERT_NE(CASE_A, CASE_B); + ASSERT_LT(CASE_A, CASE_B); + ASSERT_LE(CASE_A, CASE_B); + ASSERT_GT(CASE_B, CASE_A); + ASSERT_GE(CASE_A, CASE_A); + EXPECT_FATAL_FAILURE(ASSERT_EQ(CASE_A, CASE_B), + "Value of: CASE_B"); +} + +#endif // defined(GTEST_OS_LINUX) || defined(GTEST_OS_WINDOWS) + +#if defined(GTEST_OS_WINDOWS) + +static HRESULT UnexpectedHRESULTFailure() { + return E_UNEXPECTED; +} + +static HRESULT OkHRESULTSuccess() { + return S_OK; +} + +static HRESULT FalseHRESULTSuccess() { + return S_FALSE; +} + +// HRESULT assertion tests test both zero and non-zero +// success codes as well as failure message for each. +// +// Windows CE doesn't support message texts. +TEST(HRESULTAssertionTest, EXPECT_HRESULT_SUCCEEDED) { + EXPECT_HRESULT_SUCCEEDED(S_OK); + EXPECT_HRESULT_SUCCEEDED(S_FALSE); + +#ifdef _WIN32_WCE + const char* expected = + "Expected: (UnexpectedHRESULTFailure()) succeeds.\n" + " Actual: 0x8000FFFF"; +#else // Windows proper + const char* expected = + "Expected: (UnexpectedHRESULTFailure()) succeeds.\n" + " Actual: 0x8000FFFF Catastrophic failure"; +#endif // _WIN32_WCE + EXPECT_NONFATAL_FAILURE(EXPECT_HRESULT_SUCCEEDED(UnexpectedHRESULTFailure()), + expected); +} + +TEST(HRESULTAssertionTest, ASSERT_HRESULT_SUCCEEDED) { + ASSERT_HRESULT_SUCCEEDED(S_OK); + ASSERT_HRESULT_SUCCEEDED(S_FALSE); + +#ifdef _WIN32_WCE + const char* expected = + "Expected: (UnexpectedHRESULTFailure()) succeeds.\n" + " Actual: 0x8000FFFF"; +#else // Windows proper + const char* expected = + "Expected: (UnexpectedHRESULTFailure()) succeeds.\n" + " Actual: 0x8000FFFF Catastrophic failure"; +#endif // _WIN32_WCE + + EXPECT_FATAL_FAILURE(ASSERT_HRESULT_SUCCEEDED(UnexpectedHRESULTFailure()), + expected); +} + +TEST(HRESULTAssertionTest, EXPECT_HRESULT_FAILED) { + EXPECT_HRESULT_FAILED(E_UNEXPECTED); + +#ifdef _WIN32_WCE + const char* expected_success = + "Expected: (OkHRESULTSuccess()) fails.\n" + " Actual: 0x00000000"; + const char* expected_incorrect_function = + "Expected: (FalseHRESULTSuccess()) fails.\n" + " Actual: 0x00000001"; +#else // Windows proper + const char* expected_success = + "Expected: (OkHRESULTSuccess()) fails.\n" + " Actual: 0x00000000 The operation completed successfully"; + const char* expected_incorrect_function = + "Expected: (FalseHRESULTSuccess()) fails.\n" + " Actual: 0x00000001 Incorrect function."; +#endif // _WIN32_WCE + + EXPECT_NONFATAL_FAILURE(EXPECT_HRESULT_FAILED(OkHRESULTSuccess()), + expected_success); + EXPECT_NONFATAL_FAILURE(EXPECT_HRESULT_FAILED(FalseHRESULTSuccess()), + expected_incorrect_function); +} + +TEST(HRESULTAssertionTest, ASSERT_HRESULT_FAILED) { + ASSERT_HRESULT_FAILED(E_UNEXPECTED); + +#ifdef _WIN32_WCE + const char* expected_success = + "Expected: (OkHRESULTSuccess()) fails.\n" + " Actual: 0x00000000"; + const char* expected_incorrect_function = + "Expected: (FalseHRESULTSuccess()) fails.\n" + " Actual: 0x00000001"; +#else // Windows proper + const char* expected_success = + "Expected: (OkHRESULTSuccess()) fails.\n" + " Actual: 0x00000000 The operation completed successfully"; + const char* expected_incorrect_function = + "Expected: (FalseHRESULTSuccess()) fails.\n" + " Actual: 0x00000001 Incorrect function."; +#endif // _WIN32_WCE + + EXPECT_FATAL_FAILURE(ASSERT_HRESULT_FAILED(OkHRESULTSuccess()), + expected_success); + EXPECT_FATAL_FAILURE(ASSERT_HRESULT_FAILED(FalseHRESULTSuccess()), + expected_incorrect_function); +} + +// Tests that streaming to the HRESULT macros works. +TEST(HRESULTAssertionTest, Streaming) { + EXPECT_HRESULT_SUCCEEDED(S_OK) << "unexpected failure"; + ASSERT_HRESULT_SUCCEEDED(S_OK) << "unexpected failure"; + EXPECT_HRESULT_FAILED(E_UNEXPECTED) << "unexpected failure"; + ASSERT_HRESULT_FAILED(E_UNEXPECTED) << "unexpected failure"; + + EXPECT_NONFATAL_FAILURE( + EXPECT_HRESULT_SUCCEEDED(E_UNEXPECTED) << "expected failure", + "expected failure"); + + EXPECT_FATAL_FAILURE( + ASSERT_HRESULT_SUCCEEDED(E_UNEXPECTED) << "expected failure", + "expected failure"); + + EXPECT_NONFATAL_FAILURE( + EXPECT_HRESULT_FAILED(S_OK) << "expected failure", + "expected failure"); + + EXPECT_FATAL_FAILURE( + ASSERT_HRESULT_FAILED(S_OK) << "expected failure", + "expected failure"); +} + +#endif // defined(GTEST_OS_WINDOWS) + +// Tests that the assertion macros behave like single statements. +TEST(AssertionSyntaxTest, BehavesLikeSingleStatement) { + if (false) + ASSERT_TRUE(false) << "This should never be executed; " + "It's a compilation test only."; + + if (true) + EXPECT_FALSE(false); + else + ; + + if (false) + ASSERT_LT(1, 3); + + if (false) + ; + else + EXPECT_GT(3, 2) << ""; +} + +// Tests that the assertion macros work well with switch statements. +TEST(AssertionSyntaxTest, WorksWithSwitch) { + switch (0) { + case 1: + break; + default: + ASSERT_TRUE(true); + } + + switch (0) + case 0: + EXPECT_FALSE(false) << "EXPECT_FALSE failed in switch case"; + + // Binary assertions are implemented using a different code path + // than the Boolean assertions. Hence we test them separately. + switch (0) { + case 1: + default: + ASSERT_EQ(1, 1) << "ASSERT_EQ failed in default switch handler"; + } + + switch (0) + case 0: + EXPECT_NE(1, 2); +} + +} // namespace + +// Returns the number of successful parts in the current test. +static size_t GetSuccessfulPartCount() { + return UnitTest::GetInstance()->impl()->current_test_result()-> + successful_part_count(); +} + +namespace testing { + +// Tests that Google Test tracks SUCCEED*. +TEST(SuccessfulAssertionTest, SUCCEED) { + SUCCEED(); + SUCCEED() << "OK"; + EXPECT_EQ(2u, GetSuccessfulPartCount()); +} + +// Tests that Google Test doesn't track successful EXPECT_*. +TEST(SuccessfulAssertionTest, EXPECT) { + EXPECT_TRUE(true); + EXPECT_EQ(0u, GetSuccessfulPartCount()); +} + +// Tests that Google Test doesn't track successful EXPECT_STR*. +TEST(SuccessfulAssertionTest, EXPECT_STR) { + EXPECT_STREQ("", ""); + EXPECT_EQ(0u, GetSuccessfulPartCount()); +} + +// Tests that Google Test doesn't track successful ASSERT_*. +TEST(SuccessfulAssertionTest, ASSERT) { + ASSERT_TRUE(true); + EXPECT_EQ(0u, GetSuccessfulPartCount()); +} + +// Tests that Google Test doesn't track successful ASSERT_STR*. +TEST(SuccessfulAssertionTest, ASSERT_STR) { + ASSERT_STREQ("", ""); + EXPECT_EQ(0u, GetSuccessfulPartCount()); +} + +} // namespace testing + +namespace { + +// Tests EXPECT_TRUE. +TEST(ExpectTest, EXPECT_TRUE) { + EXPECT_TRUE(2 > 1); // NOLINT + EXPECT_NONFATAL_FAILURE(EXPECT_TRUE(2 < 1), + "Value of: 2 < 1\n" + " Actual: false\n" + "Expected: true"); + EXPECT_NONFATAL_FAILURE(EXPECT_TRUE(2 > 3), + "2 > 3"); +} + +// Tests EXPECT_FALSE. +TEST(ExpectTest, EXPECT_FALSE) { + EXPECT_FALSE(2 < 1); // NOLINT + EXPECT_NONFATAL_FAILURE(EXPECT_FALSE(2 > 1), + "Value of: 2 > 1\n" + " Actual: true\n" + "Expected: false"); + EXPECT_NONFATAL_FAILURE(EXPECT_FALSE(2 < 3), + "2 < 3"); +} + +// Tests EXPECT_EQ. +TEST(ExpectTest, EXPECT_EQ) { + EXPECT_EQ(5, 2 + 3); + EXPECT_NONFATAL_FAILURE(EXPECT_EQ(5, 2*3), + "Value of: 2*3\n" + " Actual: 6\n" + "Expected: 5"); + EXPECT_NONFATAL_FAILURE(EXPECT_EQ(5, 2 - 3), + "2 - 3"); +} + +// Tests using EXPECT_EQ on double values. The purpose is to make +// sure that the specialization we did for integer and anonymous enums +// isn't used for double arguments. +TEST(ExpectTest, EXPECT_EQ_Double) { + // A success. + EXPECT_EQ(5.6, 5.6); + + // A failure. + EXPECT_NONFATAL_FAILURE(EXPECT_EQ(5.1, 5.2), + "5.1"); +} + +#ifndef __SYMBIAN32__ +// Tests EXPECT_EQ(NULL, pointer). +TEST(ExpectTest, EXPECT_EQ_NULL) { + // A success. + const char* p = NULL; + EXPECT_EQ(NULL, p); + + // A failure. + int n = 0; + EXPECT_NONFATAL_FAILURE(EXPECT_EQ(NULL, &n), + "Value of: &n\n"); +} +#endif // __SYMBIAN32__ + +// Tests EXPECT_EQ(0, non_pointer). Since the literal 0 can be +// treated as a null pointer by the compiler, we need to make sure +// that EXPECT_EQ(0, non_pointer) isn't interpreted by Google Test as +// EXPECT_EQ(static_cast<void*>(NULL), non_pointer). +TEST(ExpectTest, EXPECT_EQ_0) { + int n = 0; + + // A success. + EXPECT_EQ(0, n); + + // A failure. + EXPECT_NONFATAL_FAILURE(EXPECT_EQ(0, 5.6), + "Expected: 0"); +} + +// Tests EXPECT_NE. +TEST(ExpectTest, EXPECT_NE) { + EXPECT_NE(6, 7); + + EXPECT_NONFATAL_FAILURE(EXPECT_NE('a', 'a'), + "Expected: ('a') != ('a'), " + "actual: 'a' (97, 0x61) vs 'a' (97, 0x61)"); + EXPECT_NONFATAL_FAILURE(EXPECT_NE(2, 2), + "2"); + char* const p0 = NULL; + EXPECT_NONFATAL_FAILURE(EXPECT_NE(p0, p0), + "p0"); + // Only way to get the Nokia compiler to compile the cast + // is to have a separate void* variable first. Putting + // the two casts on the same line doesn't work, neither does + // a direct C-style to char*. + void* pv1 = (void*)0x1234; // NOLINT + char* const p1 = reinterpret_cast<char*>(pv1); + EXPECT_NONFATAL_FAILURE(EXPECT_NE(p1, p1), + "p1"); +} + +// Tests EXPECT_LE. +TEST(ExpectTest, EXPECT_LE) { + EXPECT_LE(2, 3); + EXPECT_LE(2, 2); + EXPECT_NONFATAL_FAILURE(EXPECT_LE(2, 0), + "Expected: (2) <= (0), actual: 2 vs 0"); + EXPECT_NONFATAL_FAILURE(EXPECT_LE(1.1, 0.9), + "(1.1) <= (0.9)"); +} + +// Tests EXPECT_LT. +TEST(ExpectTest, EXPECT_LT) { + EXPECT_LT(2, 3); + EXPECT_NONFATAL_FAILURE(EXPECT_LT(2, 2), + "Expected: (2) < (2), actual: 2 vs 2"); + EXPECT_NONFATAL_FAILURE(EXPECT_LT(2, 1), + "(2) < (1)"); +} + +// Tests EXPECT_GE. +TEST(ExpectTest, EXPECT_GE) { + EXPECT_GE(2, 1); + EXPECT_GE(2, 2); + EXPECT_NONFATAL_FAILURE(EXPECT_GE(2, 3), + "Expected: (2) >= (3), actual: 2 vs 3"); + EXPECT_NONFATAL_FAILURE(EXPECT_GE(0.9, 1.1), + "(0.9) >= (1.1)"); +} + +// Tests EXPECT_GT. +TEST(ExpectTest, EXPECT_GT) { + EXPECT_GT(2, 1); + EXPECT_NONFATAL_FAILURE(EXPECT_GT(2, 2), + "Expected: (2) > (2), actual: 2 vs 2"); + EXPECT_NONFATAL_FAILURE(EXPECT_GT(2, 3), + "(2) > (3)"); +} + +// Make sure we deal with the precedence of <<. +TEST(ExpectTest, ExpectPrecedence) { + EXPECT_EQ(1 < 2, true); + EXPECT_NONFATAL_FAILURE(EXPECT_EQ(true, true && false), + "Value of: true && false"); +} + + +// Tests the StreamableToString() function. + +// Tests using StreamableToString() on a scalar. +TEST(StreamableToStringTest, Scalar) { + EXPECT_STREQ("5", StreamableToString(5).c_str()); +} + +// Tests using StreamableToString() on a non-char pointer. +TEST(StreamableToStringTest, Pointer) { + int n = 0; + int* p = &n; + EXPECT_STRNE("(null)", StreamableToString(p).c_str()); +} + +// Tests using StreamableToString() on a NULL non-char pointer. +TEST(StreamableToStringTest, NullPointer) { + int* p = NULL; + EXPECT_STREQ("(null)", StreamableToString(p).c_str()); +} + +// Tests using StreamableToString() on a C string. +TEST(StreamableToStringTest, CString) { + EXPECT_STREQ("Foo", StreamableToString("Foo").c_str()); +} + +// Tests using StreamableToString() on a NULL C string. +TEST(StreamableToStringTest, NullCString) { + char* p = NULL; + EXPECT_STREQ("(null)", StreamableToString(p).c_str()); +} + +// Tests using streamable values as assertion messages. + +#if GTEST_HAS_STD_STRING +// Tests using std::string as an assertion message. +TEST(StreamableTest, string) { + static const std::string str( + "This failure message is a std::string, and is expected."); + EXPECT_FATAL_FAILURE(FAIL() << str, + str.c_str()); +} + +// Tests that we can output strings containing embedded NULs. +// Limited to Linux because we can only do this with std::string's. +TEST(StreamableTest, stringWithEmbeddedNUL) { + static const char char_array_with_nul[] = + "Here's a NUL\0 and some more string"; + static const std::string string_with_nul(char_array_with_nul, + sizeof(char_array_with_nul) + - 1); // drops the trailing NUL + EXPECT_FATAL_FAILURE(FAIL() << string_with_nul, + "Here's a NUL\\0 and some more string"); +} + +#endif // GTEST_HAS_STD_STRING + +// Tests that we can output a NUL char. +TEST(StreamableTest, NULChar) { + EXPECT_FATAL_FAILURE({ // NOLINT + FAIL() << "A NUL" << '\0' << " and some more string"; + }, "A NUL\\0 and some more string"); +} + +// Tests using int as an assertion message. +TEST(StreamableTest, int) { + EXPECT_FATAL_FAILURE(FAIL() << 900913, + "900913"); +} + +// Tests using NULL char pointer as an assertion message. +// +// In MSVC, streaming a NULL char * causes access violation. Google Test +// implemented a workaround (substituting "(null)" for NULL). This +// tests whether the workaround works. +TEST(StreamableTest, NullCharPtr) { + EXPECT_FATAL_FAILURE(FAIL() << static_cast<const char*>(NULL), + "(null)"); +} + +// Tests that basic IO manipulators (endl, ends, and flush) can be +// streamed to testing::Message. +TEST(StreamableTest, BasicIoManip) { + EXPECT_FATAL_FAILURE({ // NOLINT + FAIL() << "Line 1." << std::endl + << "A NUL char " << std::ends << std::flush << " in line 2."; + }, "Line 1.\nA NUL char \\0 in line 2."); +} + + +// Tests the macros that haven't been covered so far. + +void AddFailureHelper(bool* aborted) { + *aborted = true; + ADD_FAILURE() << "Failure"; + *aborted = false; +} + +// Tests ADD_FAILURE. +TEST(MacroTest, ADD_FAILURE) { + bool aborted = true; + EXPECT_NONFATAL_FAILURE(AddFailureHelper(&aborted), + "Failure"); + EXPECT_FALSE(aborted); +} + +// Tests FAIL. +TEST(MacroTest, FAIL) { + EXPECT_FATAL_FAILURE(FAIL(), + "Failed"); + EXPECT_FATAL_FAILURE(FAIL() << "Intentional failure.", + "Intentional failure."); +} + +// Tests SUCCEED +TEST(MacroTest, SUCCEED) { + SUCCEED(); + SUCCEED() << "Explicit success."; +} + + +// Tests for EXPECT_EQ() and ASSERT_EQ(). +// +// These tests fail *intentionally*, s.t. the failure messages can be +// generated and tested. +// +// We have different tests for different argument types. + +// Tests using bool values in {EXPECT|ASSERT}_EQ. +TEST(EqAssertionTest, Bool) { + EXPECT_EQ(true, true); + EXPECT_FATAL_FAILURE(ASSERT_EQ(false, true), + "Value of: true"); +} + +// Tests using int values in {EXPECT|ASSERT}_EQ. +TEST(EqAssertionTest, Int) { + ASSERT_EQ(32, 32); + EXPECT_NONFATAL_FAILURE(EXPECT_EQ(32, 33), + "33"); +} + +// Tests using time_t values in {EXPECT|ASSERT}_EQ. +TEST(EqAssertionTest, Time_T) { + EXPECT_EQ(static_cast<time_t>(0), + static_cast<time_t>(0)); + EXPECT_FATAL_FAILURE(ASSERT_EQ(static_cast<time_t>(0), + static_cast<time_t>(1234)), + "1234"); +} + +// Tests using char values in {EXPECT|ASSERT}_EQ. +TEST(EqAssertionTest, Char) { + ASSERT_EQ('z', 'z'); + const char ch = 'b'; + EXPECT_NONFATAL_FAILURE(EXPECT_EQ('\0', ch), + "ch"); + EXPECT_NONFATAL_FAILURE(EXPECT_EQ('a', ch), + "ch"); +} + +// Tests using wchar_t values in {EXPECT|ASSERT}_EQ. +TEST(EqAssertionTest, WideChar) { + EXPECT_EQ(L'b', L'b'); + + EXPECT_NONFATAL_FAILURE(EXPECT_EQ(L'\0', L'x'), + "Value of: L'x'\n" + " Actual: L'x' (120, 0x78)\n" + "Expected: L'\0'\n" + "Which is: L'\0' (0, 0x0)"); + + static wchar_t wchar; + wchar = L'b'; + EXPECT_NONFATAL_FAILURE(EXPECT_EQ(L'a', wchar), + "wchar"); + wchar = L'\x8119'; + EXPECT_FATAL_FAILURE(ASSERT_EQ(L'\x8120', wchar), + "Value of: wchar"); +} + +#if GTEST_HAS_STD_STRING +// Tests using ::std::string values in {EXPECT|ASSERT}_EQ. +TEST(EqAssertionTest, StdString) { + // Compares a const char* to an std::string that has identical + // content. + ASSERT_EQ("Test", ::std::string("Test")); + + // Compares two identical std::strings. + static const ::std::string str1("A * in the middle"); + static const ::std::string str2(str1); + EXPECT_EQ(str1, str2); + + // Compares a const char* to an std::string that has different + // content + EXPECT_NONFATAL_FAILURE(EXPECT_EQ("Test", ::std::string("test")), + "::std::string(\"test\")"); + + // Compares an std::string to a char* that has different content. + char* const p1 = const_cast<char*>("foo"); + EXPECT_NONFATAL_FAILURE(EXPECT_EQ(::std::string("bar"), p1), + "p1"); + + // Compares two std::strings that have different contents, one of + // which having a NUL character in the middle. This should fail. + static ::std::string str3(str1); + str3.at(2) = '\0'; + EXPECT_FATAL_FAILURE(ASSERT_EQ(str1, str3), + "Value of: str3\n" + " Actual: \"A \\0 in the middle\""); +} + +#endif // GTEST_HAS_STD_STRING + +#if GTEST_HAS_STD_WSTRING + +// Tests using ::std::wstring values in {EXPECT|ASSERT}_EQ. +TEST(EqAssertionTest, StdWideString) { + // Compares an std::wstring to a const wchar_t* that has identical + // content. + EXPECT_EQ(::std::wstring(L"Test\x8119"), L"Test\x8119"); + + // Compares two identical std::wstrings. + const ::std::wstring wstr1(L"A * in the middle"); + const ::std::wstring wstr2(wstr1); + ASSERT_EQ(wstr1, wstr2); + + // Compares an std::wstring to a const wchar_t* that has different + // content. + EXPECT_NONFATAL_FAILURE({ // NOLINT + EXPECT_EQ(::std::wstring(L"Test\x8119"), L"Test\x8120"); + }, "L\"Test\\x8120\""); + + // Compares two std::wstrings that have different contents, one of + // which having a NUL character in the middle. + ::std::wstring wstr3(wstr1); + wstr3.at(2) = L'\0'; + EXPECT_NONFATAL_FAILURE(EXPECT_EQ(wstr1, wstr3), + "wstr3"); + + // Compares a wchar_t* to an std::wstring that has different + // content. + EXPECT_FATAL_FAILURE({ // NOLINT + ASSERT_EQ(const_cast<wchar_t*>(L"foo"), ::std::wstring(L"bar")); + }, ""); +} + +#endif // GTEST_HAS_STD_WSTRING + +#if GTEST_HAS_GLOBAL_STRING +// Tests using ::string values in {EXPECT|ASSERT}_EQ. +TEST(EqAssertionTest, GlobalString) { + // Compares a const char* to a ::string that has identical content. + EXPECT_EQ("Test", ::string("Test")); + + // Compares two identical ::strings. + const ::string str1("A * in the middle"); + const ::string str2(str1); + ASSERT_EQ(str1, str2); + + // Compares a ::string to a const char* that has different content. + EXPECT_NONFATAL_FAILURE(EXPECT_EQ(::string("Test"), "test"), + "test"); + + // Compares two ::strings that have different contents, one of which + // having a NUL character in the middle. + ::string str3(str1); + str3.at(2) = '\0'; + EXPECT_NONFATAL_FAILURE(EXPECT_EQ(str1, str3), + "str3"); + + // Compares a ::string to a char* that has different content. + EXPECT_FATAL_FAILURE({ // NOLINT + ASSERT_EQ(::string("bar"), const_cast<char*>("foo")); + }, ""); +} + +#endif // GTEST_HAS_GLOBAL_STRING + +#if GTEST_HAS_GLOBAL_WSTRING + +// Tests using ::wstring values in {EXPECT|ASSERT}_EQ. +TEST(EqAssertionTest, GlobalWideString) { + // Compares a const wchar_t* to a ::wstring that has identical content. + ASSERT_EQ(L"Test\x8119", ::wstring(L"Test\x8119")); + + // Compares two identical ::wstrings. + static const ::wstring wstr1(L"A * in the middle"); + static const ::wstring wstr2(wstr1); + EXPECT_EQ(wstr1, wstr2); + + // Compares a const wchar_t* to a ::wstring that has different + // content. + EXPECT_NONFATAL_FAILURE({ // NOLINT + EXPECT_EQ(L"Test\x8120", ::wstring(L"Test\x8119")); + }, "Test\\x8119"); + + // Compares a wchar_t* to a ::wstring that has different content. + wchar_t* const p1 = const_cast<wchar_t*>(L"foo"); + EXPECT_NONFATAL_FAILURE(EXPECT_EQ(p1, ::wstring(L"bar")), + "bar"); + + // Compares two ::wstrings that have different contents, one of which + // having a NUL character in the middle. + static ::wstring wstr3; + wstr3 = wstr1; + wstr3.at(2) = L'\0'; + EXPECT_FATAL_FAILURE(ASSERT_EQ(wstr1, wstr3), + "wstr3"); +} + +#endif // GTEST_HAS_GLOBAL_WSTRING + +// Tests using char pointers in {EXPECT|ASSERT}_EQ. +TEST(EqAssertionTest, CharPointer) { + char* const p0 = NULL; + // Only way to get the Nokia compiler to compile the cast + // is to have a separate void* variable first. Putting + // the two casts on the same line doesn't work, neither does + // a direct C-style to char*. + void* pv1 = (void*)0x1234; // NOLINT + void* pv2 = (void*)0xABC0; // NOLINT + char* const p1 = reinterpret_cast<char*>(pv1); + char* const p2 = reinterpret_cast<char*>(pv2); + ASSERT_EQ(p1, p1); + + EXPECT_NONFATAL_FAILURE(EXPECT_EQ(p0, p2), + "Value of: p2"); + EXPECT_NONFATAL_FAILURE(EXPECT_EQ(p1, p2), + "p2"); + EXPECT_FATAL_FAILURE(ASSERT_EQ(reinterpret_cast<char*>(0x1234), + reinterpret_cast<char*>(0xABC0)), + "ABC0"); +} + +// Tests using wchar_t pointers in {EXPECT|ASSERT}_EQ. +TEST(EqAssertionTest, WideCharPointer) { + wchar_t* const p0 = NULL; + // Only way to get the Nokia compiler to compile the cast + // is to have a separate void* variable first. Putting + // the two casts on the same line doesn't work, neither does + // a direct C-style to char*. + void* pv1 = (void*)0x1234; // NOLINT + void* pv2 = (void*)0xABC0; // NOLINT + wchar_t* const p1 = reinterpret_cast<wchar_t*>(pv1); + wchar_t* const p2 = reinterpret_cast<wchar_t*>(pv2); + EXPECT_EQ(p0, p0); + + EXPECT_NONFATAL_FAILURE(EXPECT_EQ(p0, p2), + "Value of: p2"); + EXPECT_NONFATAL_FAILURE(EXPECT_EQ(p1, p2), + "p2"); + void* pv3 = (void*)0x1234; // NOLINT + void* pv4 = (void*)0xABC0; // NOLINT + const wchar_t* p3 = reinterpret_cast<const wchar_t*>(pv3); + const wchar_t* p4 = reinterpret_cast<const wchar_t*>(pv4); + EXPECT_NONFATAL_FAILURE(EXPECT_EQ(p3, p4), + "p4"); +} + +// Tests using other types of pointers in {EXPECT|ASSERT}_EQ. +TEST(EqAssertionTest, OtherPointer) { + ASSERT_EQ(static_cast<const int*>(NULL), + static_cast<const int*>(NULL)); + EXPECT_FATAL_FAILURE(ASSERT_EQ(static_cast<const int*>(NULL), + reinterpret_cast<const int*>(0x1234)), + "0x1234"); +} + +// Tests the FRIEND_TEST macro. + +// This class has a private member we want to test. We will test it +// both in a TEST and in a TEST_F. +class Foo { + public: + Foo() {} + + private: + int Bar() const { return 1; } + + // Declares the friend tests that can access the private member + // Bar(). + FRIEND_TEST(FRIEND_TEST_Test, TEST); + FRIEND_TEST(FRIEND_TEST_Test2, TEST_F); +}; + +// Tests that the FRIEND_TEST declaration allows a TEST to access a +// class's private members. This should compile. +TEST(FRIEND_TEST_Test, TEST) { + ASSERT_EQ(1, Foo().Bar()); +} + +// The fixture needed to test using FRIEND_TEST with TEST_F. +class FRIEND_TEST_Test2 : public testing::Test { + protected: + Foo foo; +}; + +// Tests that the FRIEND_TEST declaration allows a TEST_F to access a +// class's private members. This should compile. +TEST_F(FRIEND_TEST_Test2, TEST_F) { + ASSERT_EQ(1, foo.Bar()); +} + +// Tests the life cycle of Test objects. + +// The test fixture for testing the life cycle of Test objects. +// +// This class counts the number of live test objects that uses this +// fixture. +class TestLifeCycleTest : public testing::Test { + protected: + // Constructor. Increments the number of test objects that uses + // this fixture. + TestLifeCycleTest() { count_++; } + + // Destructor. Decrements the number of test objects that uses this + // fixture. + ~TestLifeCycleTest() { count_--; } + + // Returns the number of live test objects that uses this fixture. + int count() const { return count_; } + + private: + static int count_; +}; + +int TestLifeCycleTest::count_ = 0; + +// Tests the life cycle of test objects. +TEST_F(TestLifeCycleTest, Test1) { + // There should be only one test object in this test case that's + // currently alive. + ASSERT_EQ(1, count()); +} + +// Tests the life cycle of test objects. +TEST_F(TestLifeCycleTest, Test2) { + // After Test1 is done and Test2 is started, there should still be + // only one live test object, as the object for Test1 should've been + // deleted. + ASSERT_EQ(1, count()); +} + +} // namespace + +// Tests streaming a user type whose definition and operator << are +// both in the global namespace. +class Base { + public: + explicit Base(int x) : x_(x) {} + int x() const { return x_; } + private: + int x_; +}; +std::ostream& operator<<(std::ostream& os, + const Base& val) { + return os << val.x(); +} +std::ostream& operator<<(std::ostream& os, + const Base* pointer) { + return os << "(" << pointer->x() << ")"; +} + +TEST(MessageTest, CanStreamUserTypeInGlobalNameSpace) { + testing::Message msg; + Base a(1); + + msg << a << &a; // Uses ::operator<<. + EXPECT_STREQ("1(1)", msg.GetString().c_str()); +} + +// Tests streaming a user type whose definition and operator<< are +// both in an unnamed namespace. +namespace { +class MyTypeInUnnamedNameSpace : public Base { + public: + explicit MyTypeInUnnamedNameSpace(int x): Base(x) {} +}; +std::ostream& operator<<(std::ostream& os, + const MyTypeInUnnamedNameSpace& val) { + return os << val.x(); +} +std::ostream& operator<<(std::ostream& os, + const MyTypeInUnnamedNameSpace* pointer) { + return os << "(" << pointer->x() << ")"; +} +} // namespace + +TEST(MessageTest, CanStreamUserTypeInUnnamedNameSpace) { + testing::Message msg; + MyTypeInUnnamedNameSpace a(1); + + msg << a << &a; // Uses <unnamed_namespace>::operator<<. + EXPECT_STREQ("1(1)", msg.GetString().c_str()); +} + +// Tests streaming a user type whose definition and operator<< are +// both in a user namespace. +namespace namespace1 { +class MyTypeInNameSpace1 : public Base { + public: + explicit MyTypeInNameSpace1(int x): Base(x) {} +}; +std::ostream& operator<<(std::ostream& os, + const MyTypeInNameSpace1& val) { + return os << val.x(); +} +std::ostream& operator<<(std::ostream& os, + const MyTypeInNameSpace1* pointer) { + return os << "(" << pointer->x() << ")"; +} +} // namespace namespace1 + +TEST(MessageTest, CanStreamUserTypeInUserNameSpace) { + testing::Message msg; + namespace1::MyTypeInNameSpace1 a(1); + + msg << a << &a; // Uses namespace1::operator<<. + EXPECT_STREQ("1(1)", msg.GetString().c_str()); +} + +// Tests streaming a user type whose definition is in a user namespace +// but whose operator<< is in the global namespace. +namespace namespace2 { +class MyTypeInNameSpace2 : public ::Base { + public: + explicit MyTypeInNameSpace2(int x): Base(x) {} +}; +} // namespace namespace2 +std::ostream& operator<<(std::ostream& os, + const namespace2::MyTypeInNameSpace2& val) { + return os << val.x(); +} +std::ostream& operator<<(std::ostream& os, + const namespace2::MyTypeInNameSpace2* pointer) { + return os << "(" << pointer->x() << ")"; +} + +TEST(MessageTest, CanStreamUserTypeInUserNameSpaceWithStreamOperatorInGlobal) { + testing::Message msg; + namespace2::MyTypeInNameSpace2 a(1); + + msg << a << &a; // Uses ::operator<<. + EXPECT_STREQ("1(1)", msg.GetString().c_str()); +} + +// Tests streaming NULL pointers to testing::Message. +TEST(MessageTest, NullPointers) { + testing::Message msg; + char* const p1 = NULL; + unsigned char* const p2 = NULL; + int* p3 = NULL; + double* p4 = NULL; + bool* p5 = NULL; + testing::Message* p6 = NULL; + + msg << p1 << p2 << p3 << p4 << p5 << p6; + ASSERT_STREQ("(null)(null)(null)(null)(null)(null)", + msg.GetString().c_str()); +} + +// Tests streaming wide strings to testing::Message. +TEST(MessageTest, WideStrings) { + using testing::Message; + + // Streams a NULL of type const wchar_t*. + const wchar_t* const_wstr = NULL; + EXPECT_STREQ("(null)", + (Message() << const_wstr).GetString().c_str()); + + // Streams a NULL of type wchar_t*. + wchar_t* wstr = NULL; + EXPECT_STREQ("(null)", + (Message() << wstr).GetString().c_str()); + + // Streams a non-NULL of type const wchar_t*. + const_wstr = L"abc\x8119"; + EXPECT_STREQ("abc\xe8\x84\x99", + (Message() << const_wstr).GetString().c_str()); + + // Streams a non-NULL of type wchar_t*. + wstr = const_cast<wchar_t*>(const_wstr); + EXPECT_STREQ("abc\xe8\x84\x99", + (Message() << wstr).GetString().c_str()); +} + + +// This line tests that we can define tests in the testing namespace. +namespace testing { + +// Tests the TestInfo class. + +class TestInfoTest : public testing::Test { + protected: + static TestInfo * GetTestInfo(const char* test_name) { + return UnitTest::GetInstance()->impl()-> + GetTestCase("TestInfoTest", NULL, NULL)-> + GetTestInfo(test_name); + } + + static const TestResult* GetTestResult( + const testing::TestInfo* test_info) { + return test_info->result(); + } +}; + +// Tests TestInfo::test_case_name() and TestInfo::name(). +TEST_F(TestInfoTest, Names) { + TestInfo * const test_info = GetTestInfo("Names"); + + ASSERT_STREQ("TestInfoTest", test_info->test_case_name()); + ASSERT_STREQ("Names", test_info->name()); +} + +// Tests TestInfo::result(). +TEST_F(TestInfoTest, result) { + TestInfo * const test_info = GetTestInfo("result"); + + // Initially, there is no TestPartResult for this test. + ASSERT_EQ(0u, GetTestResult(test_info)->total_part_count()); + + // After the previous assertion, there is still none. + ASSERT_EQ(0u, GetTestResult(test_info)->total_part_count()); +} + +// Tests setting up and tearing down a test case. + +class SetUpTestCaseTest : public testing::Test { + protected: + // This will be called once before the first test in this test case + // is run. + static void SetUpTestCase() { + printf("Setting up the test case . . .\n"); + + // Initializes some shared resource. In this simple example, we + // just create a C string. More complex stuff can be done if + // desired. + shared_resource_ = "123"; + + // Increments the number of test cases that have been set up. + counter_++; + + // SetUpTestCase() should be called only once. + EXPECT_EQ(1, counter_); + } + + // This will be called once after the last test in this test case is + // run. + static void TearDownTestCase() { + printf("Tearing down the test case . . .\n"); + + // Decrements the number of test cases that have been set up. + counter_--; + + // TearDownTestCase() should be called only once. + EXPECT_EQ(0, counter_); + + // Cleans up the shared resource. + shared_resource_ = NULL; + } + + // This will be called before each test in this test case. + virtual void SetUp() { + // SetUpTestCase() should be called only once, so counter_ should + // always be 1. + EXPECT_EQ(1, counter_); + } + + // Number of test cases that have been set up. + static int counter_; + + // Some resource to be shared by all tests in this test case. + static const char* shared_resource_; +}; + +int SetUpTestCaseTest::counter_ = 0; +const char* SetUpTestCaseTest::shared_resource_ = NULL; + +// A test that uses the shared resource. +TEST_F(SetUpTestCaseTest, Test1) { + EXPECT_STRNE(NULL, shared_resource_); +} + +// Another test that uses the shared resource. +TEST_F(SetUpTestCaseTest, Test2) { + EXPECT_STREQ("123", shared_resource_); +} + +// The InitGoogleTestTest test case tests testing::InitGoogleTest(). + +// The Flags struct stores a copy of all Google Test flags. +struct Flags { + // Constructs a Flags struct where each flag has its default value. + Flags() : break_on_failure(false), + catch_exceptions(false), + filter(""), + list_tests(false), + output(""), + repeat(1) {} + + // Factory methods. + + // Creates a Flags struct where the gtest_break_on_failure flag has + // the given value. + static Flags BreakOnFailure(bool break_on_failure) { + Flags flags; + flags.break_on_failure = break_on_failure; + return flags; + } + + // Creates a Flags struct where the gtest_catch_exceptions flag has + // the given value. + static Flags CatchExceptions(bool catch_exceptions) { + Flags flags; + flags.catch_exceptions = catch_exceptions; + return flags; + } + + // Creates a Flags struct where the gtest_filter flag has the given + // value. + static Flags Filter(const char* filter) { + Flags flags; + flags.filter = filter; + return flags; + } + + // Creates a Flags struct where the gtest_list_tests flag has the + // given value. + static Flags ListTests(bool list_tests) { + Flags flags; + flags.list_tests = list_tests; + return flags; + } + + // Creates a Flags struct where the gtest_output flag has the given + // value. + static Flags Output(const char* output) { + Flags flags; + flags.output = output; + return flags; + } + + // Creates a Flags struct where the gtest_repeat flag has the given + // value. + static Flags Repeat(Int32 repeat) { + Flags flags; + flags.repeat = repeat; + return flags; + } + + // These fields store the flag values. + bool break_on_failure; + bool catch_exceptions; + const char* filter; + bool list_tests; + const char* output; + Int32 repeat; +}; + +// Fixture for testing InitGoogleTest(). +class InitGoogleTestTest : public testing::Test { + protected: + // Clears the flags before each test. + virtual void SetUp() { + GTEST_FLAG(break_on_failure) = false; + GTEST_FLAG(catch_exceptions) = false; + GTEST_FLAG(filter) = ""; + GTEST_FLAG(list_tests) = false; + GTEST_FLAG(output) = ""; + GTEST_FLAG(repeat) = 1; + } + + // Asserts that two narrow or wide string arrays are equal. + template <typename CharType> + static void AssertStringArrayEq(size_t size1, CharType** array1, + size_t size2, CharType** array2) { + ASSERT_EQ(size1, size2) << " Array sizes different."; + + for (size_t i = 0; i != size1; i++) { + ASSERT_STREQ(array1[i], array2[i]) << " where i == " << i; + } + } + + // Verifies that the flag values match the expected values. + static void CheckFlags(const Flags& expected) { + EXPECT_EQ(expected.break_on_failure, GTEST_FLAG(break_on_failure)); + EXPECT_EQ(expected.catch_exceptions, GTEST_FLAG(catch_exceptions)); + EXPECT_STREQ(expected.filter, GTEST_FLAG(filter).c_str()); + EXPECT_EQ(expected.list_tests, GTEST_FLAG(list_tests)); + EXPECT_STREQ(expected.output, GTEST_FLAG(output).c_str()); + EXPECT_EQ(expected.repeat, GTEST_FLAG(repeat)); + } + + // Parses a command line (specified by argc1 and argv1), then + // verifies that the flag values are expected and that the + // recognized flags are removed from the command line. + template <typename CharType> + static void TestParsingFlags(int argc1, const CharType** argv1, + int argc2, const CharType** argv2, + const Flags& expected) { + // Parses the command line. + InitGoogleTest(&argc1, const_cast<CharType**>(argv1)); + + // Verifies the flag values. + CheckFlags(expected); + + // Verifies that the recognized flags are removed from the command + // line. + AssertStringArrayEq(argc1 + 1, argv1, argc2 + 1, argv2); + } + + // This macro wraps TestParsingFlags s.t. the user doesn't need + // to specify the array sizes. +#define TEST_PARSING_FLAGS(argv1, argv2, expected) \ + TestParsingFlags(sizeof(argv1)/sizeof(*argv1) - 1, argv1, \ + sizeof(argv2)/sizeof(*argv2) - 1, argv2, expected) +}; + +// Tests parsing an empty command line. +TEST_F(InitGoogleTestTest, Empty) { + const char* argv[] = { + NULL + }; + + const char* argv2[] = { + NULL + }; + + TEST_PARSING_FLAGS(argv, argv2, Flags()); +} + +// Tests parsing a command line that has no flag. +TEST_F(InitGoogleTestTest, NoFlag) { + const char* argv[] = { + "foo.exe", + NULL + }; + + const char* argv2[] = { + "foo.exe", + NULL + }; + + TEST_PARSING_FLAGS(argv, argv2, Flags()); +} + +// Tests parsing a bad --gtest_filter flag. +TEST_F(InitGoogleTestTest, FilterBad) { + const char* argv[] = { + "foo.exe", + "--gtest_filter", + NULL + }; + + const char* argv2[] = { + "foo.exe", + "--gtest_filter", + NULL + }; + + TEST_PARSING_FLAGS(argv, argv2, Flags::Filter("")); +} + +// Tests parsing an empty --gtest_filter flag. +TEST_F(InitGoogleTestTest, FilterEmpty) { + const char* argv[] = { + "foo.exe", + "--gtest_filter=", + NULL + }; + + const char* argv2[] = { + "foo.exe", + NULL + }; + + TEST_PARSING_FLAGS(argv, argv2, Flags::Filter("")); +} + +// Tests parsing a non-empty --gtest_filter flag. +TEST_F(InitGoogleTestTest, FilterNonEmpty) { + const char* argv[] = { + "foo.exe", + "--gtest_filter=abc", + NULL + }; + + const char* argv2[] = { + "foo.exe", + NULL + }; + + TEST_PARSING_FLAGS(argv, argv2, Flags::Filter("abc")); +} + +// Tests parsing --gtest_break_on_failure. +TEST_F(InitGoogleTestTest, BreakOnFailureNoDef) { + const char* argv[] = { + "foo.exe", + "--gtest_break_on_failure", + NULL +}; + + const char* argv2[] = { + "foo.exe", + NULL + }; + + TEST_PARSING_FLAGS(argv, argv2, Flags::BreakOnFailure(true)); +} + +// Tests parsing --gtest_break_on_failure=0. +TEST_F(InitGoogleTestTest, BreakOnFailureFalse_0) { + const char* argv[] = { + "foo.exe", + "--gtest_break_on_failure=0", + NULL + }; + + const char* argv2[] = { + "foo.exe", + NULL + }; + + TEST_PARSING_FLAGS(argv, argv2, Flags::BreakOnFailure(false)); +} + +// Tests parsing --gtest_break_on_failure=f. +TEST_F(InitGoogleTestTest, BreakOnFailureFalse_f) { + const char* argv[] = { + "foo.exe", + "--gtest_break_on_failure=f", + NULL + }; + + const char* argv2[] = { + "foo.exe", + NULL + }; + + TEST_PARSING_FLAGS(argv, argv2, Flags::BreakOnFailure(false)); +} + +// Tests parsing --gtest_break_on_failure=F. +TEST_F(InitGoogleTestTest, BreakOnFailureFalse_F) { + const char* argv[] = { + "foo.exe", + "--gtest_break_on_failure=F", + NULL + }; + + const char* argv2[] = { + "foo.exe", + NULL + }; + + TEST_PARSING_FLAGS(argv, argv2, Flags::BreakOnFailure(false)); +} + +// Tests parsing a --gtest_break_on_failure flag that has a "true" +// definition. +TEST_F(InitGoogleTestTest, BreakOnFailureTrue) { + const char* argv[] = { + "foo.exe", + "--gtest_break_on_failure=1", + NULL + }; + + const char* argv2[] = { + "foo.exe", + NULL + }; + + TEST_PARSING_FLAGS(argv, argv2, Flags::BreakOnFailure(true)); +} + +// Tests parsing --gtest_catch_exceptions. +TEST_F(InitGoogleTestTest, CatchExceptions) { + const char* argv[] = { + "foo.exe", + "--gtest_catch_exceptions", + NULL + }; + + const char* argv2[] = { + "foo.exe", + NULL + }; + + TEST_PARSING_FLAGS(argv, argv2, Flags::CatchExceptions(true)); +} + +// Tests having the same flag twice with different values. The +// expected behavior is that the one coming last takes precedence. +TEST_F(InitGoogleTestTest, DuplicatedFlags) { + const char* argv[] = { + "foo.exe", + "--gtest_filter=a", + "--gtest_filter=b", + NULL + }; + + const char* argv2[] = { + "foo.exe", + NULL + }; + + TEST_PARSING_FLAGS(argv, argv2, Flags::Filter("b")); +} + +// Tests having an unrecognized flag on the command line. +TEST_F(InitGoogleTestTest, UnrecognizedFlag) { + const char* argv[] = { + "foo.exe", + "--gtest_break_on_failure", + "bar", // Unrecognized by Google Test. + "--gtest_filter=b", + NULL + }; + + const char* argv2[] = { + "foo.exe", + "bar", + NULL + }; + + Flags flags; + flags.break_on_failure = true; + flags.filter = "b"; + TEST_PARSING_FLAGS(argv, argv2, flags); +} + +// Tests having a --gtest_list_tests flag +TEST_F(InitGoogleTestTest, ListTestsFlag) { + const char* argv[] = { + "foo.exe", + "--gtest_list_tests", + NULL + }; + + const char* argv2[] = { + "foo.exe", + NULL + }; + + TEST_PARSING_FLAGS(argv, argv2, Flags::ListTests(true)); +} + +// Tests having a --gtest_list_tests flag with a "true" value +TEST_F(InitGoogleTestTest, ListTestsTrue) { + const char* argv[] = { + "foo.exe", + "--gtest_list_tests=1", + NULL + }; + + const char* argv2[] = { + "foo.exe", + NULL + }; + + TEST_PARSING_FLAGS(argv, argv2, Flags::ListTests(true)); +} + +// Tests having a --gtest_list_tests flag with a "false" value +TEST_F(InitGoogleTestTest, ListTestsFalse) { + const char* argv[] = { + "foo.exe", + "--gtest_list_tests=0", + NULL + }; + + const char* argv2[] = { + "foo.exe", + NULL + }; + + TEST_PARSING_FLAGS(argv, argv2, Flags::ListTests(false)); +} + +// Tests parsing --gtest_list_tests=f. +TEST_F(InitGoogleTestTest, ListTestsFalse_f) { + const char* argv[] = { + "foo.exe", + "--gtest_list_tests=f", + NULL + }; + + const char* argv2[] = { + "foo.exe", + NULL + }; + + TEST_PARSING_FLAGS(argv, argv2, Flags::ListTests(false)); +} + +// Tests parsing --gtest_break_on_failure=F. +TEST_F(InitGoogleTestTest, ListTestsFalse_F) { + const char* argv[] = { + "foo.exe", + "--gtest_list_tests=F", + NULL + }; + + const char* argv2[] = { + "foo.exe", + NULL + }; + + TEST_PARSING_FLAGS(argv, argv2, Flags::ListTests(false)); +} + +// Tests parsing --gtest_output (invalid). +TEST_F(InitGoogleTestTest, OutputEmpty) { + const char* argv[] = { + "foo.exe", + "--gtest_output", + NULL + }; + + const char* argv2[] = { + "foo.exe", + "--gtest_output", + NULL + }; + + TEST_PARSING_FLAGS(argv, argv2, Flags()); +} + +// Tests parsing --gtest_output=xml +TEST_F(InitGoogleTestTest, OutputXml) { + const char* argv[] = { + "foo.exe", + "--gtest_output=xml", + NULL + }; + + const char* argv2[] = { + "foo.exe", + NULL + }; + + TEST_PARSING_FLAGS(argv, argv2, Flags::Output("xml")); +} + +// Tests parsing --gtest_output=xml:file +TEST_F(InitGoogleTestTest, OutputXmlFile) { + const char* argv[] = { + "foo.exe", + "--gtest_output=xml:file", + NULL + }; + + const char* argv2[] = { + "foo.exe", + NULL + }; + + TEST_PARSING_FLAGS(argv, argv2, Flags::Output("xml:file")); +} + +// Tests parsing --gtest_output=xml:directory/path/ +TEST_F(InitGoogleTestTest, OutputXmlDirectory) { + const char* argv[] = { + "foo.exe", + "--gtest_output=xml:directory/path/", + NULL + }; + + const char* argv2[] = { + "foo.exe", + NULL + }; + + TEST_PARSING_FLAGS(argv, argv2, Flags::Output("xml:directory/path/")); +} + +// Tests parsing --gtest_repeat=number +TEST_F(InitGoogleTestTest, Repeat) { + const char* argv[] = { + "foo.exe", + "--gtest_repeat=1000", + NULL + }; + + const char* argv2[] = { + "foo.exe", + NULL + }; + + TEST_PARSING_FLAGS(argv, argv2, Flags::Repeat(1000)); +} + +#ifdef GTEST_OS_WINDOWS +// Tests parsing wide strings. +TEST_F(InitGoogleTestTest, WideStrings) { + const wchar_t* argv[] = { + L"foo.exe", + L"--gtest_filter=Foo*", + L"--gtest_list_tests=1", + L"--gtest_break_on_failure", + L"--non_gtest_flag", + NULL + }; + + const wchar_t* argv2[] = { + L"foo.exe", + L"--non_gtest_flag", + NULL + }; + + Flags expected_flags; + expected_flags.break_on_failure = true; + expected_flags.filter = "Foo*"; + expected_flags.list_tests = true; + + TEST_PARSING_FLAGS(argv, argv2, expected_flags); +} +#endif // GTEST_OS_WINDOWS + +// Tests current_test_info() in UnitTest. +class CurrentTestInfoTest : public Test { + protected: + // Tests that current_test_info() returns NULL before the first test in + // the test case is run. + static void SetUpTestCase() { + // There should be no tests running at this point. + const TestInfo* test_info = + UnitTest::GetInstance()->current_test_info(); + EXPECT_EQ(NULL, test_info) + << "There should be no tests running at this point."; + } + + // Tests that current_test_info() returns NULL after the last test in + // the test case has run. + static void TearDownTestCase() { + const TestInfo* test_info = + UnitTest::GetInstance()->current_test_info(); + EXPECT_EQ(NULL, test_info) + << "There should be no tests running at this point."; + } +}; + +// Tests that current_test_info() returns TestInfo for currently running +// test by checking the expected test name against the actual one. +TEST_F(CurrentTestInfoTest, WorksForFirstTestInATestCase) { + const TestInfo* test_info = + UnitTest::GetInstance()->current_test_info(); + ASSERT_TRUE(NULL != test_info) + << "There is a test running so we should have a valid TestInfo."; + EXPECT_STREQ("CurrentTestInfoTest", test_info->test_case_name()) + << "Expected the name of the currently running test case."; + EXPECT_STREQ("WorksForFirstTestInATestCase", test_info->name()) + << "Expected the name of the currently running test."; +} + +// Tests that current_test_info() returns TestInfo for currently running +// test by checking the expected test name against the actual one. We +// use this test to see that the TestInfo object actually changed from +// the previous invocation. +TEST_F(CurrentTestInfoTest, WorksForSecondTestInATestCase) { + const TestInfo* test_info = + UnitTest::GetInstance()->current_test_info(); + ASSERT_TRUE(NULL != test_info) + << "There is a test running so we should have a valid TestInfo."; + EXPECT_STREQ("CurrentTestInfoTest", test_info->test_case_name()) + << "Expected the name of the currently running test case."; + EXPECT_STREQ("WorksForSecondTestInATestCase", test_info->name()) + << "Expected the name of the currently running test."; +} + +} // namespace testing + +// These two lines test that we can define tests in a namespace that +// has the name "testing" and is nested in another namespace. +namespace my_namespace { +namespace testing { + +// Makes sure that TEST knows to use ::testing::Test instead of +// ::my_namespace::testing::Test. +class Test {}; + +// Makes sure that an assertion knows to use ::testing::Message instead of +// ::my_namespace::testing::Message. +class Message {}; + +// Makes sure that an assertion knows to use +// ::testing::AssertionResult instead of +// ::my_namespace::testing::AssertionResult. +class AssertionResult {}; + +// Tests that an assertion that should succeed works as expected. +TEST(NestedTestingNamespaceTest, Success) { + EXPECT_EQ(1, 1) << "This shouldn't fail."; +} + +// Tests that an assertion that should fail works as expected. +TEST(NestedTestingNamespaceTest, Failure) { + EXPECT_FATAL_FAILURE(FAIL() << "This failure is expected.", + "This failure is expected."); +} + +} // namespace testing +} // namespace my_namespace + +// Tests that one can call superclass SetUp and TearDown methods-- +// that is, that they are not private. +// No tests are based on this fixture; the test "passes" if it compiles +// successfully. +class ProtectedFixtureMethodsTest : public testing::Test { + protected: + virtual void SetUp() { + testing::Test::SetUp(); + } + virtual void TearDown() { + testing::Test::TearDown(); + } +}; + +// StreamingAssertionsTest tests the streaming versions of a representative +// sample of assertions. +TEST(StreamingAssertionsTest, Unconditional) { + SUCCEED() << "expected success"; + EXPECT_NONFATAL_FAILURE(ADD_FAILURE() << "expected failure", + "expected failure"); + EXPECT_FATAL_FAILURE(FAIL() << "expected failure", + "expected failure"); +} + +TEST(StreamingAssertionsTest, Truth) { + EXPECT_TRUE(true) << "unexpected failure"; + ASSERT_TRUE(true) << "unexpected failure"; + EXPECT_NONFATAL_FAILURE(EXPECT_TRUE(false) << "expected failure", + "expected failure"); + EXPECT_FATAL_FAILURE(ASSERT_TRUE(false) << "expected failure", + "expected failure"); +} + +TEST(StreamingAssertionsTest, Truth2) { + EXPECT_FALSE(false) << "unexpected failure"; + ASSERT_FALSE(false) << "unexpected failure"; + EXPECT_NONFATAL_FAILURE(EXPECT_FALSE(true) << "expected failure", + "expected failure"); + EXPECT_FATAL_FAILURE(ASSERT_FALSE(true) << "expected failure", + "expected failure"); +} + +TEST(StreamingAssertionsTest, IntegerEquals) { + EXPECT_EQ(1, 1) << "unexpected failure"; + ASSERT_EQ(1, 1) << "unexpected failure"; + EXPECT_NONFATAL_FAILURE(EXPECT_EQ(1, 2) << "expected failure", + "expected failure"); + EXPECT_FATAL_FAILURE(ASSERT_EQ(1, 2) << "expected failure", + "expected failure"); +} + +TEST(StreamingAssertionsTest, IntegerLessThan) { + EXPECT_LT(1, 2) << "unexpected failure"; + ASSERT_LT(1, 2) << "unexpected failure"; + EXPECT_NONFATAL_FAILURE(EXPECT_LT(2, 1) << "expected failure", + "expected failure"); + EXPECT_FATAL_FAILURE(ASSERT_LT(2, 1) << "expected failure", + "expected failure"); +} + +TEST(StreamingAssertionsTest, StringsEqual) { + EXPECT_STREQ("foo", "foo") << "unexpected failure"; + ASSERT_STREQ("foo", "foo") << "unexpected failure"; + EXPECT_NONFATAL_FAILURE(EXPECT_STREQ("foo", "bar") << "expected failure", + "expected failure"); + EXPECT_FATAL_FAILURE(ASSERT_STREQ("foo", "bar") << "expected failure", + "expected failure"); +} + +TEST(StreamingAssertionsTest, StringsNotEqual) { + EXPECT_STRNE("foo", "bar") << "unexpected failure"; + ASSERT_STRNE("foo", "bar") << "unexpected failure"; + EXPECT_NONFATAL_FAILURE(EXPECT_STRNE("foo", "foo") << "expected failure", + "expected failure"); + EXPECT_FATAL_FAILURE(ASSERT_STRNE("foo", "foo") << "expected failure", + "expected failure"); +} + +TEST(StreamingAssertionsTest, StringsEqualIgnoringCase) { + EXPECT_STRCASEEQ("foo", "FOO") << "unexpected failure"; + ASSERT_STRCASEEQ("foo", "FOO") << "unexpected failure"; + EXPECT_NONFATAL_FAILURE(EXPECT_STRCASEEQ("foo", "bar") << "expected failure", + "expected failure"); + EXPECT_FATAL_FAILURE(ASSERT_STRCASEEQ("foo", "bar") << "expected failure", + "expected failure"); +} + +TEST(StreamingAssertionsTest, StringNotEqualIgnoringCase) { + EXPECT_STRCASENE("foo", "bar") << "unexpected failure"; + ASSERT_STRCASENE("foo", "bar") << "unexpected failure"; + EXPECT_NONFATAL_FAILURE(EXPECT_STRCASENE("foo", "FOO") << "expected failure", + "expected failure"); + EXPECT_FATAL_FAILURE(ASSERT_STRCASENE("bar", "BAR") << "expected failure", + "expected failure"); +} + +TEST(StreamingAssertionsTest, FloatingPointEquals) { + EXPECT_FLOAT_EQ(1.0, 1.0) << "unexpected failure"; + ASSERT_FLOAT_EQ(1.0, 1.0) << "unexpected failure"; + EXPECT_NONFATAL_FAILURE(EXPECT_FLOAT_EQ(0.0, 1.0) << "expected failure", + "expected failure"); + EXPECT_FATAL_FAILURE(ASSERT_FLOAT_EQ(0.0, 1.0) << "expected failure", + "expected failure"); +} + +// Tests that Google Test correctly decides whether to use colors in the output. + +TEST(ColoredOutputTest, UsesColorsWhenGTestColorFlagIsYes) { + GTEST_FLAG(color) = "yes"; + + SetEnv("TERM", "xterm"); // TERM supports colors. + EXPECT_TRUE(ShouldUseColor(true)); // Stdout is a TTY. + EXPECT_TRUE(ShouldUseColor(false)); // Stdout is not a TTY. + + SetEnv("TERM", "dumb"); // TERM doesn't support colors. + EXPECT_TRUE(ShouldUseColor(true)); // Stdout is a TTY. + EXPECT_TRUE(ShouldUseColor(false)); // Stdout is not a TTY. +} + +TEST(ColoredOutputTest, UsesColorsWhenGTestColorFlagIsAliasOfYes) { + SetEnv("TERM", "dumb"); // TERM doesn't support colors. + + GTEST_FLAG(color) = "True"; + EXPECT_TRUE(ShouldUseColor(false)); // Stdout is not a TTY. + + GTEST_FLAG(color) = "t"; + EXPECT_TRUE(ShouldUseColor(false)); // Stdout is not a TTY. + + GTEST_FLAG(color) = "1"; + EXPECT_TRUE(ShouldUseColor(false)); // Stdout is not a TTY. +} + +TEST(ColoredOutputTest, UsesNoColorWhenGTestColorFlagIsNo) { + GTEST_FLAG(color) = "no"; + + SetEnv("TERM", "xterm"); // TERM supports colors. + EXPECT_FALSE(ShouldUseColor(true)); // Stdout is a TTY. + EXPECT_FALSE(ShouldUseColor(false)); // Stdout is not a TTY. + + SetEnv("TERM", "dumb"); // TERM doesn't support colors. + EXPECT_FALSE(ShouldUseColor(true)); // Stdout is a TTY. + EXPECT_FALSE(ShouldUseColor(false)); // Stdout is not a TTY. +} + +TEST(ColoredOutputTest, UsesNoColorWhenGTestColorFlagIsInvalid) { + SetEnv("TERM", "xterm"); // TERM supports colors. + + GTEST_FLAG(color) = "F"; + EXPECT_FALSE(ShouldUseColor(true)); // Stdout is a TTY. + + GTEST_FLAG(color) = "0"; + EXPECT_FALSE(ShouldUseColor(true)); // Stdout is a TTY. + + GTEST_FLAG(color) = "unknown"; + EXPECT_FALSE(ShouldUseColor(true)); // Stdout is a TTY. +} + +TEST(ColoredOutputTest, UsesColorsWhenStdoutIsTty) { + GTEST_FLAG(color) = "auto"; + + SetEnv("TERM", "xterm"); // TERM supports colors. + EXPECT_FALSE(ShouldUseColor(false)); // Stdout is not a TTY. + EXPECT_TRUE(ShouldUseColor(true)); // Stdout is a TTY. +} + +TEST(ColoredOutputTest, UsesColorsWhenTermSupportsColors) { + GTEST_FLAG(color) = "auto"; + +#ifdef GTEST_OS_WINDOWS + // On Windows, we ignore the TERM variable as it's usually not set. + + SetEnv("TERM", "dumb"); + EXPECT_TRUE(ShouldUseColor(true)); // Stdout is a TTY. + + SetEnv("TERM", ""); + EXPECT_TRUE(ShouldUseColor(true)); // Stdout is a TTY. + + SetEnv("TERM", "xterm"); + EXPECT_TRUE(ShouldUseColor(true)); // Stdout is a TTY. +#else + // On non-Windows platforms, we rely on TERM to determine if the + // terminal supports colors. + + SetEnv("TERM", "dumb"); // TERM doesn't support colors. + EXPECT_FALSE(ShouldUseColor(true)); // Stdout is a TTY. + + SetEnv("TERM", "emacs"); // TERM doesn't support colors. + EXPECT_FALSE(ShouldUseColor(true)); // Stdout is a TTY. + + SetEnv("TERM", "vt100"); // TERM doesn't support colors. + EXPECT_FALSE(ShouldUseColor(true)); // Stdout is a TTY. + + SetEnv("TERM", "xterm-mono"); // TERM doesn't support colors. + EXPECT_FALSE(ShouldUseColor(true)); // Stdout is a TTY. + + SetEnv("TERM", "xterm"); // TERM supports colors. + EXPECT_TRUE(ShouldUseColor(true)); // Stdout is a TTY. + + SetEnv("TERM", "xterm-color"); // TERM supports colors. + EXPECT_TRUE(ShouldUseColor(true)); // Stdout is a TTY. +#endif // GTEST_OS_WINDOWS +} + +#ifndef __SYMBIAN32__ +// We will want to integrate running the unittests to a different +// main application on Symbian. +int main(int argc, char** argv) { + testing::InitGoogleTest(&argc, argv); + +#ifdef GTEST_HAS_DEATH_TEST + if (!testing::internal::GTEST_FLAG(internal_run_death_test).empty()) { + // Skip the usual output capturing if we're running as the child + // process of an threadsafe-style death test. + freopen("/dev/null", "w", stdout); + } +#endif // GTEST_HAS_DEATH_TEST + + // Runs all tests using Google Test. + return RUN_ALL_TESTS(); +} +#endif // __SYMBIAN32_ |